Home / 87,180.18-130,645.50-49,662.82

Finding the Fourth Proportional to 87,180.18, 130,645.50 and 49,662.82

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Solution

The fourth proportional to 87,180.18, 130,645.50 and 49,662.82 is: 74,423.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,180.18 : 130,645.50 = 49,662.82 : x
  2. Step 2: Convert to fraction form
    87,180.18/130,645.50 = 49,662.82/x
  3. Step 3: Cross multiply
    87,180.18x = 130,645.50 × 49,662.82
  4. Step 4: Simplify right side
    87,180.18x = 6,488,223,950.31
  5. Step 5: Solve for x
    x = 6,488,223,950.31/87,180.18
  6. Step 6: Final answer
    x = 74,423.15

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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.