Home / 87,177.22-119,927.04-76,373.44

Finding the Fourth Proportional to 87,177.22, 119,927.04 and 76,373.44

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Solution

The fourth proportional to 87,177.22, 119,927.04 and 76,373.44 is: 105,064.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,177.22 : 119,927.04 = 76,373.44 : x
  2. Step 2: Convert to fraction form
    87,177.22/119,927.04 = 76,373.44/x
  3. Step 3: Cross multiply
    87,177.22x = 119,927.04 × 76,373.44
  4. Step 4: Simplify right side
    87,177.22x = 9,159,240,593.82
  5. Step 5: Solve for x
    x = 9,159,240,593.82/87,177.22
  6. Step 6: Final answer
    x = 105,064.61

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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.