Home / 80,054.29-120,081.28-75,182.75

Finding the Fourth Proportional to 80,054.29, 120,081.28 and 75,182.75

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Solution

The fourth proportional to 80,054.29, 120,081.28 and 75,182.75 is: 112,773.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,054.29 : 120,081.28 = 75,182.75 : x
  2. Step 2: Convert to fraction form
    80,054.29/120,081.28 = 75,182.75/x
  3. Step 3: Cross multiply
    80,054.29x = 120,081.28 × 75,182.75
  4. Step 4: Simplify right side
    80,054.29x = 9,028,040,853.92
  5. Step 5: Solve for x
    x = 9,028,040,853.92/80,054.29
  6. Step 6: Final answer
    x = 112,773.98

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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.