Home / 86,151.52-129,227.28-23,822

Finding the Fourth Proportional to 86,151.52, 129,227.28 and 23,822

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Solution

The fourth proportional to 86,151.52, 129,227.28 and 23,822 is: 35,733

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,151.52 : 129,227.28 = 23,822 : x
  2. Step 2: Convert to fraction form
    86,151.52/129,227.28 = 23,822/x
  3. Step 3: Cross multiply
    86,151.52x = 129,227.28 × 23,822
  4. Step 4: Simplify right side
    86,151.52x = 3,078,452,264.16
  5. Step 5: Solve for x
    x = 3,078,452,264.16/86,151.52
  6. Step 6: Final answer
    x = 35,733

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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.