Home / 72,278.20-108,417.18-37,227.88

Finding the Fourth Proportional to 72,278.20, 108,417.18 and 37,227.88

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Solution

The fourth proportional to 72,278.20, 108,417.18 and 37,227.88 is: 55,841.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,278.20 : 108,417.18 = 37,227.88 : x
  2. Step 2: Convert to fraction form
    72,278.20/108,417.18 = 37,227.88/x
  3. Step 3: Cross multiply
    72,278.20x = 108,417.18 × 37,227.88
  4. Step 4: Simplify right side
    72,278.20x = 4,036,141,766.98
  5. Step 5: Solve for x
    x = 4,036,141,766.98/72,278.20
  6. Step 6: Final answer
    x = 55,841.76

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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.