Home / 119,741.85-165,242.75-66,029.13

Finding the Fourth Proportional to 119,741.85, 165,242.75 and 66,029.13

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Solution

The fourth proportional to 119,741.85, 165,242.75 and 66,029.13 is: 91,119.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,741.85 : 165,242.75 = 66,029.13 : x
  2. Step 2: Convert to fraction form
    119,741.85/165,242.75 = 66,029.13/x
  3. Step 3: Cross multiply
    119,741.85x = 165,242.75 × 66,029.13
  4. Step 4: Simplify right side
    119,741.85x = 10,910,834,691.16
  5. Step 5: Solve for x
    x = 10,910,834,691.16/119,741.85
  6. Step 6: Final answer
    x = 91,119.64

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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.