Home / 96,724.80-145,087.20-86,883.30

Finding the Fourth Proportional to 96,724.80, 145,087.20 and 86,883.30

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Solution

The fourth proportional to 96,724.80, 145,087.20 and 86,883.30 is: 130,324.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,724.80 : 145,087.20 = 86,883.30 : x
  2. Step 2: Convert to fraction form
    96,724.80/145,087.20 = 86,883.30/x
  3. Step 3: Cross multiply
    96,724.80x = 145,087.20 × 86,883.30
  4. Step 4: Simplify right side
    96,724.80x = 12,605,654,723.76
  5. Step 5: Solve for x
    x = 12,605,654,723.76/96,724.80
  6. Step 6: Final answer
    x = 130,324.95

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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.