Home / 154,402.53-231,622.47-54,542.28

Finding the Fourth Proportional to 154,402.53, 231,622.47 and 54,542.28

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Solution

The fourth proportional to 154,402.53, 231,622.47 and 54,542.28 is: 81,820.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,402.53 : 231,622.47 = 54,542.28 : x
  2. Step 2: Convert to fraction form
    154,402.53/231,622.47 = 54,542.28/x
  3. Step 3: Cross multiply
    154,402.53x = 231,622.47 × 54,542.28
  4. Step 4: Simplify right side
    154,402.53x = 12,633,218,481.62
  5. Step 5: Solve for x
    x = 12,633,218,481.62/154,402.53
  6. Step 6: Final answer
    x = 81,820.02

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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.