Home / 169,331.13-254,148.98-90,512.73

Finding the Fourth Proportional to 169,331.13, 254,148.98 and 90,512.73

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Solution

The fourth proportional to 169,331.13, 254,148.98 and 90,512.73 is: 135,850.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,331.13 : 254,148.98 = 90,512.73 : x
  2. Step 2: Convert to fraction form
    169,331.13/254,148.98 = 90,512.73/x
  3. Step 3: Cross multiply
    169,331.13x = 254,148.98 × 90,512.73
  4. Step 4: Simplify right side
    169,331.13x = 23,003,717,553.95
  5. Step 5: Solve for x
    x = 23,003,717,553.95/169,331.13
  6. Step 6: Final answer
    x = 135,850.49

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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.