Home / 102,517.62-141,480.60-57,195.70

Finding the Fourth Proportional to 102,517.62, 141,480.60 and 57,195.70

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Solution

The fourth proportional to 102,517.62, 141,480.60 and 57,195.70 is: 78,933.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,517.62 : 141,480.60 = 57,195.70 : x
  2. Step 2: Convert to fraction form
    102,517.62/141,480.60 = 57,195.70/x
  3. Step 3: Cross multiply
    102,517.62x = 141,480.60 × 57,195.70
  4. Step 4: Simplify right side
    102,517.62x = 8,092,081,953.42
  5. Step 5: Solve for x
    x = 8,092,081,953.42/102,517.62
  6. Step 6: Final answer
    x = 78,933.57

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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.