Home / 155,306.64-232,320.60-142,062.48

Finding the Fourth Proportional to 155,306.64, 232,320.60 and 142,062.48

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Solution

The fourth proportional to 155,306.64, 232,320.60 and 142,062.48 is: 212,508.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,306.64 : 232,320.60 = 142,062.48 : x
  2. Step 2: Convert to fraction form
    155,306.64/232,320.60 = 142,062.48/x
  3. Step 3: Cross multiply
    155,306.64x = 232,320.60 × 142,062.48
  4. Step 4: Simplify right side
    155,306.64x = 33,004,040,591.09
  5. Step 5: Solve for x
    x = 33,004,040,591.09/155,306.64
  6. Step 6: Final answer
    x = 212,508.88

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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.