Home / 134,524.67-185,638.96-80,839.29

Finding the Fourth Proportional to 134,524.67, 185,638.96 and 80,839.29

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Solution

The fourth proportional to 134,524.67, 185,638.96 and 80,839.29 is: 111,555.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,524.67 : 185,638.96 = 80,839.29 : x
  2. Step 2: Convert to fraction form
    134,524.67/185,638.96 = 80,839.29/x
  3. Step 3: Cross multiply
    134,524.67x = 185,638.96 × 80,839.29
  4. Step 4: Simplify right side
    134,524.67x = 15,006,921,722.74
  5. Step 5: Solve for x
    x = 15,006,921,722.74/134,524.67
  6. Step 6: Final answer
    x = 111,555.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.