Home / 110,221.80-152,168.46-84,331.56

Finding the Fourth Proportional to 110,221.80, 152,168.46 and 84,331.56

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Solution

The fourth proportional to 110,221.80, 152,168.46 and 84,331.56 is: 116,425.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,221.80 : 152,168.46 = 84,331.56 : x
  2. Step 2: Convert to fraction form
    110,221.80/152,168.46 = 84,331.56/x
  3. Step 3: Cross multiply
    110,221.80x = 152,168.46 × 84,331.56
  4. Step 4: Simplify right side
    110,221.80x = 12,832,603,614.60
  5. Step 5: Solve for x
    x = 12,832,603,614.60/110,221.80
  6. Step 6: Final answer
    x = 116,425.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.