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Finding the Fourth Proportional to 154,765.68, 232,138.88 and 54,912.76

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Solution

The fourth proportional to 154,765.68, 232,138.88 and 54,912.76 is: 82,365.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,765.68 : 232,138.88 = 54,912.76 : x
  2. Step 2: Convert to fraction form
    154,765.68/232,138.88 = 54,912.76/x
  3. Step 3: Cross multiply
    154,765.68x = 232,138.88 × 54,912.76
  4. Step 4: Simplify right side
    154,765.68x = 12,747,386,604.11
  5. Step 5: Solve for x
    x = 12,747,386,604.11/154,765.68
  6. Step 6: Final answer
    x = 82,365.72

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1.5x scale

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.