Home / 281,759.50-422,663.85-71,397.44

Finding the Fourth Proportional to 281,759.50, 422,663.85 and 71,397.44

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Solution

The fourth proportional to 281,759.50, 422,663.85 and 71,397.44 is: 107,102.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,759.50 : 422,663.85 = 71,397.44 : x
  2. Step 2: Convert to fraction form
    281,759.50/422,663.85 = 71,397.44/x
  3. Step 3: Cross multiply
    281,759.50x = 422,663.85 × 71,397.44
  4. Step 4: Simplify right side
    281,759.50x = 30,177,116,870.54
  5. Step 5: Solve for x
    x = 30,177,116,870.54/281,759.50
  6. Step 6: Final answer
    x = 107,102.39

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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.