Home / 87,337.98-130,913.54-45,175.61

Finding the Fourth Proportional to 87,337.98, 130,913.54 and 45,175.61

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Solution

The fourth proportional to 87,337.98, 130,913.54 and 45,175.61 is: 67,715.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,337.98 : 130,913.54 = 45,175.61 : x
  2. Step 2: Convert to fraction form
    87,337.98/130,913.54 = 45,175.61/x
  3. Step 3: Cross multiply
    87,337.98x = 130,913.54 × 45,175.61
  4. Step 4: Simplify right side
    87,337.98x = 5,914,099,297.57
  5. Step 5: Solve for x
    x = 5,914,099,297.57/87,337.98
  6. Step 6: Final answer
    x = 67,715.09

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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.