Home / 96,788.97-145,751.95-84,456.12

Finding the Fourth Proportional to 96,788.97, 145,751.95 and 84,456.12

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Solution

The fourth proportional to 96,788.97, 145,751.95 and 84,456.12 is: 127,180.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,788.97 : 145,751.95 = 84,456.12 : x
  2. Step 2: Convert to fraction form
    96,788.97/145,751.95 = 84,456.12/x
  3. Step 3: Cross multiply
    96,788.97x = 145,751.95 × 84,456.12
  4. Step 4: Simplify right side
    96,788.97x = 12,309,644,179.43
  5. Step 5: Solve for x
    x = 12,309,644,179.43/96,788.97
  6. Step 6: Final answer
    x = 127,180.24

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.