Home / 119,942.56-165,519.92-66,230.96

Finding the Fourth Proportional to 119,942.56, 165,519.92 and 66,230.96

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Solution

The fourth proportional to 119,942.56, 165,519.92 and 66,230.96 is: 91,398.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,942.56 : 165,519.92 = 66,230.96 : x
  2. Step 2: Convert to fraction form
    119,942.56/165,519.92 = 66,230.96/x
  3. Step 3: Cross multiply
    119,942.56x = 165,519.92 × 66,230.96
  4. Step 4: Simplify right side
    119,942.56x = 10,962,543,200.72
  5. Step 5: Solve for x
    x = 10,962,543,200.72/119,942.56
  6. Step 6: Final answer
    x = 91,398.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.