Home / 78,134.22-117,204.56-22,730.22

Finding the Fourth Proportional to 78,134.22, 117,204.56 and 22,730.22

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Solution

The fourth proportional to 78,134.22, 117,204.56 and 22,730.22 is: 34,096.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,134.22 : 117,204.56 = 22,730.22 : x
  2. Step 2: Convert to fraction form
    78,134.22/117,204.56 = 22,730.22/x
  3. Step 3: Cross multiply
    78,134.22x = 117,204.56 × 22,730.22
  4. Step 4: Simplify right side
    78,134.22x = 2,664,085,433.80
  5. Step 5: Solve for x
    x = 2,664,085,433.80/78,134.22
  6. Step 6: Final answer
    x = 34,096.27

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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.