Home / 80,124.27-120,151.33-38,016.36

Finding the Fourth Proportional to 80,124.27, 120,151.33 and 38,016.36

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Solution

The fourth proportional to 80,124.27, 120,151.33 and 38,016.36 is: 57,007.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,124.27 : 120,151.33 = 38,016.36 : x
  2. Step 2: Convert to fraction form
    80,124.27/120,151.33 = 38,016.36/x
  3. Step 3: Cross multiply
    80,124.27x = 120,151.33 × 38,016.36
  4. Step 4: Simplify right side
    80,124.27x = 4,567,716,215.76
  5. Step 5: Solve for x
    x = 4,567,716,215.76/80,124.27
  6. Step 6: Final answer
    x = 57,007.90

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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.