Home / 138,384.12-207,414.88-63,512.17

Finding the Fourth Proportional to 138,384.12, 207,414.88 and 63,512.17

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Solution

The fourth proportional to 138,384.12, 207,414.88 and 63,512.17 is: 95,194.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,384.12 : 207,414.88 = 63,512.17 : x
  2. Step 2: Convert to fraction form
    138,384.12/207,414.88 = 63,512.17/x
  3. Step 3: Cross multiply
    138,384.12x = 207,414.88 × 63,512.17
  4. Step 4: Simplify right side
    138,384.12x = 13,173,369,119.09
  5. Step 5: Solve for x
    x = 13,173,369,119.09/138,384.12
  6. Step 6: Final answer
    x = 95,194.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.