Home / 98,657.52-136,147.64-62,839.86

Finding the Fourth Proportional to 98,657.52, 136,147.64 and 62,839.86

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Solution

The fourth proportional to 98,657.52, 136,147.64 and 62,839.86 is: 86,719.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,657.52 : 136,147.64 = 62,839.86 : x
  2. Step 2: Convert to fraction form
    98,657.52/136,147.64 = 62,839.86/x
  3. Step 3: Cross multiply
    98,657.52x = 136,147.64 × 62,839.86
  4. Step 4: Simplify right side
    98,657.52x = 8,555,498,636.93
  5. Step 5: Solve for x
    x = 8,555,498,636.93/98,657.52
  6. Step 6: Final answer
    x = 86,719.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.