Home / 80,218.56-120,366.72-38,092.08

Finding the Fourth Proportional to 80,218.56, 120,366.72 and 38,092.08

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Solution

The fourth proportional to 80,218.56, 120,366.72 and 38,092.08 is: 57,156.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,218.56 : 120,366.72 = 38,092.08 : x
  2. Step 2: Convert to fraction form
    80,218.56/120,366.72 = 38,092.08/x
  3. Step 3: Cross multiply
    80,218.56x = 120,366.72 × 38,092.08
  4. Step 4: Simplify right side
    80,218.56x = 4,585,018,727.58
  5. Step 5: Solve for x
    x = 4,585,018,727.58/80,218.56
  6. Step 6: Final answer
    x = 57,156.58

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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.