Home / 281,597.28-422,321.76-104,155.12

Finding the Fourth Proportional to 281,597.28, 422,321.76 and 104,155.12

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Solution

The fourth proportional to 281,597.28, 422,321.76 and 104,155.12 is: 156,205.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,597.28 : 422,321.76 = 104,155.12 : x
  2. Step 2: Convert to fraction form
    281,597.28/422,321.76 = 104,155.12/x
  3. Step 3: Cross multiply
    281,597.28x = 422,321.76 × 104,155.12
  4. Step 4: Simplify right side
    281,597.28x = 43,986,973,591.41
  5. Step 5: Solve for x
    x = 43,986,973,591.41/281,597.28
  6. Step 6: Final answer
    x = 156,205.25

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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.