Home / 102,724.47-141,773.85-59,116.12

Finding the Fourth Proportional to 102,724.47, 141,773.85 and 59,116.12

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Solution

The fourth proportional to 102,724.47, 141,773.85 and 59,116.12 is: 81,588.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,724.47 : 141,773.85 = 59,116.12 : x
  2. Step 2: Convert to fraction form
    102,724.47/141,773.85 = 59,116.12/x
  3. Step 3: Cross multiply
    102,724.47x = 141,773.85 × 59,116.12
  4. Step 4: Simplify right side
    102,724.47x = 8,381,119,929.46
  5. Step 5: Solve for x
    x = 8,381,119,929.46/102,724.47
  6. Step 6: Final answer
    x = 81,588.35

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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.