Home / 119,834.82-165,372.93-66,121.79

Finding the Fourth Proportional to 119,834.82, 165,372.93 and 66,121.79

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Solution

The fourth proportional to 119,834.82, 165,372.93 and 66,121.79 is: 91,248.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,834.82 : 165,372.93 = 66,121.79 : x
  2. Step 2: Convert to fraction form
    119,834.82/165,372.93 = 66,121.79/x
  3. Step 3: Cross multiply
    119,834.82x = 165,372.93 × 66,121.79
  4. Step 4: Simplify right side
    119,834.82x = 10,934,753,322.28
  5. Step 5: Solve for x
    x = 10,934,753,322.28/119,834.82
  6. Step 6: Final answer
    x = 91,248.55

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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.