Home / 159,964.53-220,761.57-88,345.72

Finding the Fourth Proportional to 159,964.53, 220,761.57 and 88,345.72

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Solution

The fourth proportional to 159,964.53, 220,761.57 and 88,345.72 is: 121,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,964.53 : 220,761.57 = 88,345.72 : x
  2. Step 2: Convert to fraction form
    159,964.53/220,761.57 = 88,345.72/x
  3. Step 3: Cross multiply
    159,964.53x = 220,761.57 × 88,345.72
  4. Step 4: Simplify right side
    159,964.53x = 19,503,339,849.98
  5. Step 5: Solve for x
    x = 19,503,339,849.98/159,964.53
  6. Step 6: Final answer
    x = 121,922.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.