Home / 87,174.69-130,637.28-49,657.29

Finding the Fourth Proportional to 87,174.69, 130,637.28 and 49,657.29

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Solution

The fourth proportional to 87,174.69, 130,637.28 and 49,657.29 is: 74,414.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,174.69 : 130,637.28 = 49,657.29 : x
  2. Step 2: Convert to fraction form
    87,174.69/130,637.28 = 49,657.29/x
  3. Step 3: Cross multiply
    87,174.69x = 130,637.28 × 49,657.29
  4. Step 4: Simplify right side
    87,174.69x = 6,487,093,297.77
  5. Step 5: Solve for x
    x = 6,487,093,297.77/87,174.69
  6. Step 6: Final answer
    x = 74,414.87

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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.