Home / 172,560.33-258,607.22-89,512.65

Finding the Fourth Proportional to 172,560.33, 258,607.22 and 89,512.65

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Solution

The fourth proportional to 172,560.33, 258,607.22 and 89,512.65 is: 134,147.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,560.33 : 258,607.22 = 89,512.65 : x
  2. Step 2: Convert to fraction form
    172,560.33/258,607.22 = 89,512.65/x
  3. Step 3: Cross multiply
    172,560.33x = 258,607.22 × 89,512.65
  4. Step 4: Simplify right side
    172,560.33x = 23,148,617,123.77
  5. Step 5: Solve for x
    x = 23,148,617,123.77/172,560.33
  6. Step 6: Final answer
    x = 134,147.97

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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.