Home / 172,445.10-258,187.05-88,023.66

Finding the Fourth Proportional to 172,445.10, 258,187.05 and 88,023.66

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Solution

The fourth proportional to 172,445.10, 258,187.05 and 88,023.66 is: 131,790.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,445.10 : 258,187.05 = 88,023.66 : x
  2. Step 2: Convert to fraction form
    172,445.10/258,187.05 = 88,023.66/x
  3. Step 3: Cross multiply
    172,445.10x = 258,187.05 × 88,023.66
  4. Step 4: Simplify right side
    172,445.10x = 22,726,569,105.60
  5. Step 5: Solve for x
    x = 22,726,569,105.60/172,445.10
  6. Step 6: Final answer
    x = 131,790.17

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1.5x scale

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.