Home / 102,209.60-141,049.04-57,497.60

Finding the Fourth Proportional to 102,209.60, 141,049.04 and 57,497.60

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Solution

The fourth proportional to 102,209.60, 141,049.04 and 57,497.60 is: 79,346.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,209.60 : 141,049.04 = 57,497.60 : x
  2. Step 2: Convert to fraction form
    102,209.60/141,049.04 = 57,497.60/x
  3. Step 3: Cross multiply
    102,209.60x = 141,049.04 × 57,497.60
  4. Step 4: Simplify right side
    102,209.60x = 8,109,981,282.30
  5. Step 5: Solve for x
    x = 8,109,981,282.30/102,209.60
  6. Step 6: Final answer
    x = 79,346.57

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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.