Home / 102,299.20-153,350.37-52,402.80

Finding the Fourth Proportional to 102,299.20, 153,350.37 and 52,402.80

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Solution

The fourth proportional to 102,299.20, 153,350.37 and 52,402.80 is: 78,553.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,299.20 : 153,350.37 = 52,402.80 : x
  2. Step 2: Convert to fraction form
    102,299.20/153,350.37 = 52,402.80/x
  3. Step 3: Cross multiply
    102,299.20x = 153,350.37 × 52,402.80
  4. Step 4: Simplify right side
    102,299.20x = 8,035,988,769.04
  5. Step 5: Solve for x
    x = 8,035,988,769.04/102,299.20
  6. Step 6: Final answer
    x = 78,553.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.