Home / 120,132.62-165,799.47-69,144.29

Finding the Fourth Proportional to 120,132.62, 165,799.47 and 69,144.29

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Solution

The fourth proportional to 120,132.62, 165,799.47 and 69,144.29 is: 95,428.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,132.62 : 165,799.47 = 69,144.29 : x
  2. Step 2: Convert to fraction form
    120,132.62/165,799.47 = 69,144.29/x
  3. Step 3: Cross multiply
    120,132.62x = 165,799.47 × 69,144.29
  4. Step 4: Simplify right side
    120,132.62x = 11,464,086,635.53
  5. Step 5: Solve for x
    x = 11,464,086,635.53/120,132.62
  6. Step 6: Final answer
    x = 95,428.59

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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.