Home / 114,738.90-158,294.33-66,331.91

Finding the Fourth Proportional to 114,738.90, 158,294.33 and 66,331.91

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Solution

The fourth proportional to 114,738.90, 158,294.33 and 66,331.91 is: 91,511.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,738.90 : 158,294.33 = 66,331.91 : x
  2. Step 2: Convert to fraction form
    114,738.90/158,294.33 = 66,331.91/x
  3. Step 3: Cross multiply
    114,738.90x = 158,294.33 × 66,331.91
  4. Step 4: Simplify right side
    114,738.90x = 10,499,965,937.01
  5. Step 5: Solve for x
    x = 10,499,965,937.01/114,738.90
  6. Step 6: Final answer
    x = 91,511.83

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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.