Home / 172,680.27-258,542.13-88,258.63

Finding the Fourth Proportional to 172,680.27, 258,542.13 and 88,258.63

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Solution

The fourth proportional to 172,680.27, 258,542.13 and 88,258.63 is: 132,143.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,680.27 : 258,542.13 = 88,258.63 : x
  2. Step 2: Convert to fraction form
    172,680.27/258,542.13 = 88,258.63/x
  3. Step 3: Cross multiply
    172,680.27x = 258,542.13 × 88,258.63
  4. Step 4: Simplify right side
    172,680.27x = 22,818,573,544.73
  5. Step 5: Solve for x
    x = 22,818,573,544.73/172,680.27
  6. Step 6: Final answer
    x = 132,143.49

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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.