Home / 119,891.48-165,449.33-66,176.49

Finding the Fourth Proportional to 119,891.48, 165,449.33 and 66,176.49

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Solution

The fourth proportional to 119,891.48, 165,449.33 and 66,176.49 is: 91,323.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,891.48 : 165,449.33 = 66,176.49 : x
  2. Step 2: Convert to fraction form
    119,891.48/165,449.33 = 66,176.49/x
  3. Step 3: Cross multiply
    119,891.48x = 165,449.33 × 66,176.49
  4. Step 4: Simplify right side
    119,891.48x = 10,948,855,932.25
  5. Step 5: Solve for x
    x = 10,948,855,932.25/119,891.48
  6. Step 6: Final answer
    x = 91,323.05

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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.