Home / 87,297.32-130,952.82-28,134.74

Finding the Fourth Proportional to 87,297.32, 130,952.82 and 28,134.74

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Solution

The fourth proportional to 87,297.32, 130,952.82 and 28,134.74 is: 42,204.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,297.32 : 130,952.82 = 28,134.74 : x
  2. Step 2: Convert to fraction form
    87,297.32/130,952.82 = 28,134.74/x
  3. Step 3: Cross multiply
    87,297.32x = 130,952.82 × 28,134.74
  4. Step 4: Simplify right side
    87,297.32x = 3,684,323,542.97
  5. Step 5: Solve for x
    x = 3,684,323,542.97/87,297.32
  6. Step 6: Final answer
    x = 42,204.31

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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.