Home / 194,718-268,710.86-105,294

Finding the Fourth Proportional to 194,718, 268,710.86 and 105,294

Calculator

Solution

The fourth proportional to 194,718, 268,710.86 and 105,294 is: 145,305.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,718 : 268,710.86 = 105,294 : x
  2. Step 2: Convert to fraction form
    194,718/268,710.86 = 105,294/x
  3. Step 3: Cross multiply
    194,718x = 268,710.86 × 105,294
  4. Step 4: Simplify right side
    194,718x = 28,293,640,766.37
  5. Step 5: Solve for x
    x = 28,293,640,766.37/194,718
  6. Step 6: Final answer
    x = 145,305.73

Related Problems

Find fourth proportional to 97,359, 134,355.43 and 52,647
Half scale
Find fourth proportional to 389,436, 537,421.71 and 210,588
Double scale
Find fourth proportional to 194,719, 268,712.24 and 105,295
Similar ratio
Find fourth proportional to 292,077, 403,066.28 and 157,941
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.