Home / 154,836.31-232,229.60-42,490.29

Finding the Fourth Proportional to 154,836.31, 232,229.60 and 42,490.29

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Solution

The fourth proportional to 154,836.31, 232,229.60 and 42,490.29 is: 63,728.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,836.31 : 232,229.60 = 42,490.29 : x
  2. Step 2: Convert to fraction form
    154,836.31/232,229.60 = 42,490.29/x
  3. Step 3: Cross multiply
    154,836.31x = 232,229.60 × 42,490.29
  4. Step 4: Simplify right side
    154,836.31x = 9,867,503,050.58
  5. Step 5: Solve for x
    x = 9,867,503,050.58/154,836.31
  6. Step 6: Final answer
    x = 63,728.61

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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.