Home / 120,081.79-180,126.33-41,194.88

Finding the Fourth Proportional to 120,081.79, 180,126.33 and 41,194.88

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Solution

The fourth proportional to 120,081.79, 180,126.33 and 41,194.88 is: 61,793.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,081.79 : 180,126.33 = 41,194.88 : x
  2. Step 2: Convert to fraction form
    120,081.79/180,126.33 = 41,194.88/x
  3. Step 3: Cross multiply
    120,081.79x = 180,126.33 × 41,194.88
  4. Step 4: Simplify right side
    120,081.79x = 7,420,282,549.19
  5. Step 5: Solve for x
    x = 7,420,282,549.19/120,081.79
  6. Step 6: Final answer
    x = 61,793.57

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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.