Home / 119,834.12-165,371.67-66,119.17

Finding the Fourth Proportional to 119,834.12, 165,371.67 and 66,119.17

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Solution

The fourth proportional to 119,834.12, 165,371.67 and 66,119.17 is: 91,244.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,834.12 : 165,371.67 = 66,119.17 : x
  2. Step 2: Convert to fraction form
    119,834.12/165,371.67 = 66,119.17/x
  3. Step 3: Cross multiply
    119,834.12x = 165,371.67 × 66,119.17
  4. Step 4: Simplify right side
    119,834.12x = 10,934,237,561.91
  5. Step 5: Solve for x
    x = 10,934,237,561.91/119,834.12
  6. Step 6: Final answer
    x = 91,244.78

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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.