Home / 87,332.16-131,089.84-77,400.44

Finding the Fourth Proportional to 87,332.16, 131,089.84 and 77,400.44

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Solution

The fourth proportional to 87,332.16, 131,089.84 and 77,400.44 is: 116,181.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,332.16 : 131,089.84 = 77,400.44 : x
  2. Step 2: Convert to fraction form
    87,332.16/131,089.84 = 77,400.44/x
  3. Step 3: Cross multiply
    87,332.16x = 131,089.84 × 77,400.44
  4. Step 4: Simplify right side
    87,332.16x = 10,146,411,295.53
  5. Step 5: Solve for x
    x = 10,146,411,295.53/87,332.16
  6. Step 6: Final answer
    x = 116,181.84

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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.