Home / 129,755.12-194,615.98-41,017.60

Finding the Fourth Proportional to 129,755.12, 194,615.98 and 41,017.60

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Solution

The fourth proportional to 129,755.12, 194,615.98 and 41,017.60 is: 61,521.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,755.12 : 194,615.98 = 41,017.60 : x
  2. Step 2: Convert to fraction form
    129,755.12/194,615.98 = 41,017.60/x
  3. Step 3: Cross multiply
    129,755.12x = 194,615.98 × 41,017.60
  4. Step 4: Simplify right side
    129,755.12x = 7,982,680,421.25
  5. Step 5: Solve for x
    x = 7,982,680,421.25/129,755.12
  6. Step 6: Final answer
    x = 61,521.12

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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.