Home / 172,660.22-258,989.96-54,341.90

Finding the Fourth Proportional to 172,660.22, 258,989.96 and 54,341.90

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Solution

The fourth proportional to 172,660.22, 258,989.96 and 54,341.90 is: 81,512.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,660.22 : 258,989.96 = 54,341.90 : x
  2. Step 2: Convert to fraction form
    172,660.22/258,989.96 = 54,341.90/x
  3. Step 3: Cross multiply
    172,660.22x = 258,989.96 × 54,341.90
  4. Step 4: Simplify right side
    172,660.22x = 14,074,006,507.32
  5. Step 5: Solve for x
    x = 14,074,006,507.32/172,660.22
  6. Step 6: Final answer
    x = 81,512.73

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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.