Home / 119,732.26-165,231.18-66,016.32

Finding the Fourth Proportional to 119,732.26, 165,231.18 and 66,016.32

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Solution

The fourth proportional to 119,732.26, 165,231.18 and 66,016.32 is: 91,102.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,732.26 : 165,231.18 = 66,016.32 : x
  2. Step 2: Convert to fraction form
    119,732.26/165,231.18 = 66,016.32/x
  3. Step 3: Cross multiply
    119,732.26x = 165,231.18 × 66,016.32
  4. Step 4: Simplify right side
    119,732.26x = 10,907,954,452.86
  5. Step 5: Solve for x
    x = 10,907,954,452.86/119,732.26
  6. Step 6: Final answer
    x = 91,102.89

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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.