Home / 281,683.17-422,229.50-104,076.90

Finding the Fourth Proportional to 281,683.17, 422,229.50 and 104,076.90

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Solution

The fourth proportional to 281,683.17, 422,229.50 and 104,076.90 is: 156,006.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,683.17 : 422,229.50 = 104,076.90 : x
  2. Step 2: Convert to fraction form
    281,683.17/422,229.50 = 104,076.90/x
  3. Step 3: Cross multiply
    281,683.17x = 422,229.50 × 104,076.90
  4. Step 4: Simplify right side
    281,683.17x = 43,944,336,928.17
  5. Step 5: Solve for x
    x = 43,944,336,928.17/281,683.17
  6. Step 6: Final answer
    x = 156,006.26

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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.