Home / 87,333.65-131,092.09-77,401.94

Finding the Fourth Proportional to 87,333.65, 131,092.09 and 77,401.94

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Solution

The fourth proportional to 87,333.65, 131,092.09 and 77,401.94 is: 116,184.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,333.65 : 131,092.09 = 77,401.94 : x
  2. Step 2: Convert to fraction form
    87,333.65/131,092.09 = 77,401.94/x
  3. Step 3: Cross multiply
    87,333.65x = 131,092.09 × 77,401.94
  4. Step 4: Simplify right side
    87,333.65x = 10,146,782,084.65
  5. Step 5: Solve for x
    x = 10,146,782,084.65/87,333.65
  6. Step 6: Final answer
    x = 116,184.11

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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.