Home / 87,181.40-130,785.18-37,261.28

Finding the Fourth Proportional to 87,181.40, 130,785.18 and 37,261.28

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Solution

The fourth proportional to 87,181.40, 130,785.18 and 37,261.28 is: 55,897.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,181.40 : 130,785.18 = 37,261.28 : x
  2. Step 2: Convert to fraction form
    87,181.40/130,785.18 = 37,261.28/x
  3. Step 3: Cross multiply
    87,181.40x = 130,785.18 × 37,261.28
  4. Step 4: Simplify right side
    87,181.40x = 4,873,223,211.83
  5. Step 5: Solve for x
    x = 4,873,223,211.83/87,181.40
  6. Step 6: Final answer
    x = 55,897.51

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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.