Home / 281,952.17-422,759.35-89,743.57

Finding the Fourth Proportional to 281,952.17, 422,759.35 and 89,743.57

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Solution

The fourth proportional to 281,952.17, 422,759.35 and 89,743.57 is: 134,561.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,952.17 : 422,759.35 = 89,743.57 : x
  2. Step 2: Convert to fraction form
    281,952.17/422,759.35 = 89,743.57/x
  3. Step 3: Cross multiply
    281,952.17x = 422,759.35 × 89,743.57
  4. Step 4: Simplify right side
    281,952.17x = 37,939,933,319.88
  5. Step 5: Solve for x
    x = 37,939,933,319.88/281,952.17
  6. Step 6: Final answer
    x = 134,561.59

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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.