Home / 215,331.55-322,759.42-88,902.09

Finding the Fourth Proportional to 215,331.55, 322,759.42 and 88,902.09

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Solution

The fourth proportional to 215,331.55, 322,759.42 and 88,902.09 is: 133,254.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,331.55 : 322,759.42 = 88,902.09 : x
  2. Step 2: Convert to fraction form
    215,331.55/322,759.42 = 88,902.09/x
  3. Step 3: Cross multiply
    215,331.55x = 322,759.42 × 88,902.09
  4. Step 4: Simplify right side
    215,331.55x = 28,693,986,782.93
  5. Step 5: Solve for x
    x = 28,693,986,782.93/215,331.55
  6. Step 6: Final answer
    x = 133,254.91

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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.