Home / 87,126.56-130,690.72-34,536.48

Finding the Fourth Proportional to 87,126.56, 130,690.72 and 34,536.48

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Solution

The fourth proportional to 87,126.56, 130,690.72 and 34,536.48 is: 51,805.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,126.56 : 130,690.72 = 34,536.48 : x
  2. Step 2: Convert to fraction form
    87,126.56/130,690.72 = 34,536.48/x
  3. Step 3: Cross multiply
    87,126.56x = 130,690.72 × 34,536.48
  4. Step 4: Simplify right side
    87,126.56x = 4,513,597,437.47
  5. Step 5: Solve for x
    x = 4,513,597,437.47/87,126.56
  6. Step 6: Final answer
    x = 51,805.07

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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.