Home / 159,668.88-239,503.31-89,553.66

Finding the Fourth Proportional to 159,668.88, 239,503.31 and 89,553.66

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Solution

The fourth proportional to 159,668.88, 239,503.31 and 89,553.66 is: 134,330.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,668.88 : 239,503.31 = 89,553.66 : x
  2. Step 2: Convert to fraction form
    159,668.88/239,503.31 = 89,553.66/x
  3. Step 3: Cross multiply
    159,668.88x = 239,503.31 × 89,553.66
  4. Step 4: Simplify right side
    159,668.88x = 21,448,397,992.61
  5. Step 5: Solve for x
    x = 21,448,397,992.61/159,668.88
  6. Step 6: Final answer
    x = 134,330.48

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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.