Home / 155,294.47-232,775.61-80,339.14

Finding the Fourth Proportional to 155,294.47, 232,775.61 and 80,339.14

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Solution

The fourth proportional to 155,294.47, 232,775.61 and 80,339.14 is: 120,422.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,294.47 : 232,775.61 = 80,339.14 : x
  2. Step 2: Convert to fraction form
    155,294.47/232,775.61 = 80,339.14/x
  3. Step 3: Cross multiply
    155,294.47x = 232,775.61 × 80,339.14
  4. Step 4: Simplify right side
    155,294.47x = 18,700,992,320.38
  5. Step 5: Solve for x
    x = 18,700,992,320.38/155,294.47
  6. Step 6: Final answer
    x = 120,422.78

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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.