Home / 96,344.70-144,517.05-86,503.20

Finding the Fourth Proportional to 96,344.70, 144,517.05 and 86,503.20

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Solution

The fourth proportional to 96,344.70, 144,517.05 and 86,503.20 is: 129,754.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,344.70 : 144,517.05 = 86,503.20 : x
  2. Step 2: Convert to fraction form
    96,344.70/144,517.05 = 86,503.20/x
  3. Step 3: Cross multiply
    96,344.70x = 144,517.05 × 86,503.20
  4. Step 4: Simplify right side
    96,344.70x = 12,501,187,279.56
  5. Step 5: Solve for x
    x = 12,501,187,279.56/96,344.70
  6. Step 6: Final answer
    x = 129,754.80

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1.5x scale

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.