Home / 88,331.27-132,190.72-84,657.11

Finding the Fourth Proportional to 88,331.27, 132,190.72 and 84,657.11

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Solution

The fourth proportional to 88,331.27, 132,190.72 and 84,657.11 is: 126,692.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,331.27 : 132,190.72 = 84,657.11 : x
  2. Step 2: Convert to fraction form
    88,331.27/132,190.72 = 84,657.11/x
  3. Step 3: Cross multiply
    88,331.27x = 132,190.72 × 84,657.11
  4. Step 4: Simplify right side
    88,331.27x = 11,190,883,239.78
  5. Step 5: Solve for x
    x = 11,190,883,239.78/88,331.27
  6. Step 6: Final answer
    x = 126,692.21

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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.