Home / 187,661.98-258,909.19-107,031.52

Finding the Fourth Proportional to 187,661.98, 258,909.19 and 107,031.52

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Solution

The fourth proportional to 187,661.98, 258,909.19 and 107,031.52 is: 147,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,661.98 : 258,909.19 = 107,031.52 : x
  2. Step 2: Convert to fraction form
    187,661.98/258,909.19 = 107,031.52/x
  3. Step 3: Cross multiply
    187,661.98x = 258,909.19 × 107,031.52
  4. Step 4: Simplify right side
    187,661.98x = 27,711,444,147.67
  5. Step 5: Solve for x
    x = 27,711,444,147.67/187,661.98
  6. Step 6: Final answer
    x = 147,666.80

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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.