Home / 194,900-268,962-105,476

Finding the Fourth Proportional to 194,900, 268,962 and 105,476

Calculator

Solution

The fourth proportional to 194,900, 268,962 and 105,476 is: 145,556.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,900 : 268,962 = 105,476 : x
  2. Step 2: Convert to fraction form
    194,900/268,962 = 105,476/x
  3. Step 3: Cross multiply
    194,900x = 268,962 × 105,476
  4. Step 4: Simplify right side
    194,900x = 28,369,035,912
  5. Step 5: Solve for x
    x = 28,369,035,912/194,900
  6. Step 6: Final answer
    x = 145,556.88

Related Problems

Find fourth proportional to 97,450, 134,481 and 52,738
Half scale
Find fourth proportional to 389,800, 537,924 and 210,952
Double scale
Find fourth proportional to 194,901, 268,963.38 and 105,477
Similar ratio
Find fourth proportional to 292,350, 403,443 and 158,214
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.