Home / 120,550.89-166,352.10-69,565.75

Finding the Fourth Proportional to 120,550.89, 166,352.10 and 69,565.75

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Solution

The fourth proportional to 120,550.89, 166,352.10 and 69,565.75 is: 95,996.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,550.89 : 166,352.10 = 69,565.75 : x
  2. Step 2: Convert to fraction form
    120,550.89/166,352.10 = 69,565.75/x
  3. Step 3: Cross multiply
    120,550.89x = 166,352.10 × 69,565.75
  4. Step 4: Simplify right side
    120,550.89x = 11,572,408,184.69
  5. Step 5: Solve for x
    x = 11,572,408,184.69/120,550.89
  6. Step 6: Final answer
    x = 95,996.04

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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.