Home / 102,504.71-141,446.70-57,179.13

Finding the Fourth Proportional to 102,504.71, 141,446.70 and 57,179.13

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Solution

The fourth proportional to 102,504.71, 141,446.70 and 57,179.13 is: 78,901.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,504.71 : 141,446.70 = 57,179.13 : x
  2. Step 2: Convert to fraction form
    102,504.71/141,446.70 = 57,179.13/x
  3. Step 3: Cross multiply
    102,504.71x = 141,446.70 × 57,179.13
  4. Step 4: Simplify right side
    102,504.71x = 8,087,799,247.37
  5. Step 5: Solve for x
    x = 8,087,799,247.37/102,504.71
  6. Step 6: Final answer
    x = 78,901.74

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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.