Home / 120,040.34-165,656.94-66,324.02

Finding the Fourth Proportional to 120,040.34, 165,656.94 and 66,324.02

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Solution

The fourth proportional to 120,040.34, 165,656.94 and 66,324.02 is: 91,527.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,040.34 : 165,656.94 = 66,324.02 : x
  2. Step 2: Convert to fraction form
    120,040.34/165,656.94 = 66,324.02/x
  3. Step 3: Cross multiply
    120,040.34x = 165,656.94 × 66,324.02
  4. Step 4: Simplify right side
    120,040.34x = 10,987,034,201.70
  5. Step 5: Solve for x
    x = 10,987,034,201.70/120,040.34
  6. Step 6: Final answer
    x = 91,527.85

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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.