Home / 102,521.16-141,478.76-57,199.17

Finding the Fourth Proportional to 102,521.16, 141,478.76 and 57,199.17

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Solution

The fourth proportional to 102,521.16, 141,478.76 and 57,199.17 is: 78,934.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,521.16 : 141,478.76 = 57,199.17 : x
  2. Step 2: Convert to fraction form
    102,521.16/141,478.76 = 57,199.17/x
  3. Step 3: Cross multiply
    102,521.16x = 141,478.76 × 57,199.17
  4. Step 4: Simplify right side
    102,521.16x = 8,092,468,318.17
  5. Step 5: Solve for x
    x = 8,092,468,318.17/102,521.16
  6. Step 6: Final answer
    x = 78,934.62

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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.