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Finding the Fourth Proportional to 154,373.76, 231,512.76 and 54,510.96

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Solution

The fourth proportional to 154,373.76, 231,512.76 and 54,510.96 is: 81,749.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,373.76 : 231,512.76 = 54,510.96 : x
  2. Step 2: Convert to fraction form
    154,373.76/231,512.76 = 54,510.96/x
  3. Step 3: Cross multiply
    154,373.76x = 231,512.76 × 54,510.96
  4. Step 4: Simplify right side
    154,373.76x = 12,619,982,799.85
  5. Step 5: Solve for x
    x = 12,619,982,799.85/154,373.76
  6. Step 6: Final answer
    x = 81,749.53

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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.