Home / 120,323.08-166,049.75-69,331.89

Finding the Fourth Proportional to 120,323.08, 166,049.75 and 69,331.89

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Solution

The fourth proportional to 120,323.08, 166,049.75 and 69,331.89 is: 95,680.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,323.08 : 166,049.75 = 69,331.89 : x
  2. Step 2: Convert to fraction form
    120,323.08/166,049.75 = 69,331.89/x
  3. Step 3: Cross multiply
    120,323.08x = 166,049.75 × 69,331.89
  4. Step 4: Simplify right side
    120,323.08x = 11,512,542,654.87
  5. Step 5: Solve for x
    x = 11,512,542,654.87/120,323.08
  6. Step 6: Final answer
    x = 95,680.26

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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.