Home / 119,891.20-179,865.76-45,012.16

Finding the Fourth Proportional to 119,891.20, 179,865.76 and 45,012.16

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Solution

The fourth proportional to 119,891.20, 179,865.76 and 45,012.16 is: 67,529.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,891.20 : 179,865.76 = 45,012.16 : x
  2. Step 2: Convert to fraction form
    119,891.20/179,865.76 = 45,012.16/x
  3. Step 3: Cross multiply
    119,891.20x = 179,865.76 × 45,012.16
  4. Step 4: Simplify right side
    119,891.20x = 8,096,146,367.64
  5. Step 5: Solve for x
    x = 8,096,146,367.64/119,891.20
  6. Step 6: Final answer
    x = 67,529.11

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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.