Home / 154,789.89-232,169.25-42,481.40

Finding the Fourth Proportional to 154,789.89, 232,169.25 and 42,481.40

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Solution

The fourth proportional to 154,789.89, 232,169.25 and 42,481.40 is: 63,717.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,789.89 : 232,169.25 = 42,481.40 : x
  2. Step 2: Convert to fraction form
    154,789.89/232,169.25 = 42,481.40/x
  3. Step 3: Cross multiply
    154,789.89x = 232,169.25 × 42,481.40
  4. Step 4: Simplify right side
    154,789.89x = 9,862,873,775.41
  5. Step 5: Solve for x
    x = 9,862,873,775.41/154,789.89
  6. Step 6: Final answer
    x = 63,717.82

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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.