Home / 99,031.73-148,562.17-64,127.21

Finding the Fourth Proportional to 99,031.73, 148,562.17 and 64,127.21

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Solution

The fourth proportional to 99,031.73, 148,562.17 and 64,127.21 is: 96,200.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,031.73 : 148,562.17 = 64,127.21 : x
  2. Step 2: Convert to fraction form
    99,031.73/148,562.17 = 64,127.21/x
  3. Step 3: Cross multiply
    99,031.73x = 148,562.17 × 64,127.21
  4. Step 4: Simplify right side
    99,031.73x = 9,526,876,570.52
  5. Step 5: Solve for x
    x = 9,526,876,570.52/99,031.73
  6. Step 6: Final answer
    x = 96,200.25

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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.