Home / 194,913.04-268,980-105,489.04

Finding the Fourth Proportional to 194,913.04, 268,980 and 105,489.04

Calculator

Solution

The fourth proportional to 194,913.04, 268,980 and 105,489.04 is: 145,574.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,913.04 : 268,980 = 105,489.04 : x
  2. Step 2: Convert to fraction form
    194,913.04/268,980 = 105,489.04/x
  3. Step 3: Cross multiply
    194,913.04x = 268,980 × 105,489.04
  4. Step 4: Simplify right side
    194,913.04x = 28,374,441,979.20
  5. Step 5: Solve for x
    x = 28,374,441,979.20/194,913.04
  6. Step 6: Final answer
    x = 145,574.88

Related Problems

Find fourth proportional to 97,456.52, 134,490 and 52,744.52
Half scale
Find fourth proportional to 389,826.08, 537,960 and 210,978.08
Double scale
Find fourth proportional to 194,914.04, 268,981.38 and 105,490.04
Similar ratio
Find fourth proportional to 292,369.56, 403,470 and 158,233.56
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.