Home / 120,560.97-166,381.65-69,572.82

Finding the Fourth Proportional to 120,560.97, 166,381.65 and 69,572.82

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Solution

The fourth proportional to 120,560.97, 166,381.65 and 69,572.82 is: 96,014.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,560.97 : 166,381.65 = 69,572.82 : x
  2. Step 2: Convert to fraction form
    120,560.97/166,381.65 = 69,572.82/x
  3. Step 3: Cross multiply
    120,560.97x = 166,381.65 × 69,572.82
  4. Step 4: Simplify right side
    120,560.97x = 11,575,640,586.75
  5. Step 5: Solve for x
    x = 11,575,640,586.75/120,560.97
  6. Step 6: Final answer
    x = 96,014.83

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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.