Home / 99,501.14-137,321.26-74,306.90

Finding the Fourth Proportional to 99,501.14, 137,321.26 and 74,306.90

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Solution

The fourth proportional to 99,501.14, 137,321.26 and 74,306.90 is: 102,550.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,501.14 : 137,321.26 = 74,306.90 : x
  2. Step 2: Convert to fraction form
    99,501.14/137,321.26 = 74,306.90/x
  3. Step 3: Cross multiply
    99,501.14x = 137,321.26 × 74,306.90
  4. Step 4: Simplify right side
    99,501.14x = 10,203,917,134.69
  5. Step 5: Solve for x
    x = 10,203,917,134.69/99,501.14
  6. Step 6: Final answer
    x = 102,550.76

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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.