Home / 78,221.62-117,354.52-22,062.26

Finding the Fourth Proportional to 78,221.62, 117,354.52 and 22,062.26

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Solution

The fourth proportional to 78,221.62, 117,354.52 and 22,062.26 is: 33,099.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,221.62 : 117,354.52 = 22,062.26 : x
  2. Step 2: Convert to fraction form
    78,221.62/117,354.52 = 22,062.26/x
  3. Step 3: Cross multiply
    78,221.62x = 117,354.52 × 22,062.26
  4. Step 4: Simplify right side
    78,221.62x = 2,589,105,932.42
  5. Step 5: Solve for x
    x = 2,589,105,932.42/78,221.62
  6. Step 6: Final answer
    x = 33,099.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.