Home / 102,403.72-141,251.19-67,947.70

Finding the Fourth Proportional to 102,403.72, 141,251.19 and 67,947.70

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Solution

The fourth proportional to 102,403.72, 141,251.19 and 67,947.70 is: 93,724.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,403.72 : 141,251.19 = 67,947.70 : x
  2. Step 2: Convert to fraction form
    102,403.72/141,251.19 = 67,947.70/x
  3. Step 3: Cross multiply
    102,403.72x = 141,251.19 × 67,947.70
  4. Step 4: Simplify right side
    102,403.72x = 9,597,693,482.76
  5. Step 5: Solve for x
    x = 9,597,693,482.76/102,403.72
  6. Step 6: Final answer
    x = 93,724.07

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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.