Home / 154,519.45-231,785.75-54,680.47

Finding the Fourth Proportional to 154,519.45, 231,785.75 and 54,680.47

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Solution

The fourth proportional to 154,519.45, 231,785.75 and 54,680.47 is: 82,023.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,519.45 : 231,785.75 = 54,680.47 : x
  2. Step 2: Convert to fraction form
    154,519.45/231,785.75 = 54,680.47/x
  3. Step 3: Cross multiply
    154,519.45x = 231,785.75 × 54,680.47
  4. Step 4: Simplify right side
    154,519.45x = 12,674,153,306.54
  5. Step 5: Solve for x
    x = 12,674,153,306.54/154,519.45
  6. Step 6: Final answer
    x = 82,023.03

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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.