Home / 80,521.26-120,800.82-79,182.42

Finding the Fourth Proportional to 80,521.26, 120,800.82 and 79,182.42

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Solution

The fourth proportional to 80,521.26, 120,800.82 and 79,182.42 is: 118,792.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,521.26 : 120,800.82 = 79,182.42 : x
  2. Step 2: Convert to fraction form
    80,521.26/120,800.82 = 79,182.42/x
  3. Step 3: Cross multiply
    80,521.26x = 120,800.82 × 79,182.42
  4. Step 4: Simplify right side
    80,521.26x = 9,565,301,265.58
  5. Step 5: Solve for x
    x = 9,565,301,265.58/80,521.26
  6. Step 6: Final answer
    x = 118,792.25

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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.