Home / 155,347.20-214,265.52-101,545.92

Finding the Fourth Proportional to 155,347.20, 214,265.52 and 101,545.92

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Solution

The fourth proportional to 155,347.20, 214,265.52 and 101,545.92 is: 140,059.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,347.20 : 214,265.52 = 101,545.92 : x
  2. Step 2: Convert to fraction form
    155,347.20/214,265.52 = 101,545.92/x
  3. Step 3: Cross multiply
    155,347.20x = 214,265.52 × 101,545.92
  4. Step 4: Simplify right side
    155,347.20x = 21,757,789,352.68
  5. Step 5: Solve for x
    x = 21,757,789,352.68/155,347.20
  6. Step 6: Final answer
    x = 140,059.10

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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.