Home / 187,909.77-281,610.42-99,229.65

Finding the Fourth Proportional to 187,909.77, 281,610.42 and 99,229.65

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Solution

The fourth proportional to 187,909.77, 281,610.42 and 99,229.65 is: 148,710.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,909.77 : 281,610.42 = 99,229.65 : x
  2. Step 2: Convert to fraction form
    187,909.77/281,610.42 = 99,229.65/x
  3. Step 3: Cross multiply
    187,909.77x = 281,610.42 × 99,229.65
  4. Step 4: Simplify right side
    187,909.77x = 27,944,103,412.95
  5. Step 5: Solve for x
    x = 27,944,103,412.95/187,909.77
  6. Step 6: Final answer
    x = 148,710.22

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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.