Home / 119,834.81-165,372.92-66,121.82

Finding the Fourth Proportional to 119,834.81, 165,372.92 and 66,121.82

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Solution

The fourth proportional to 119,834.81, 165,372.92 and 66,121.82 is: 91,248.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,834.81 : 165,372.92 = 66,121.82 : x
  2. Step 2: Convert to fraction form
    119,834.81/165,372.92 = 66,121.82/x
  3. Step 3: Cross multiply
    119,834.81x = 165,372.92 × 66,121.82
  4. Step 4: Simplify right side
    119,834.81x = 10,934,757,291.64
  5. Step 5: Solve for x
    x = 10,934,757,291.64/119,834.81
  6. Step 6: Final answer
    x = 91,248.59

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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.