Home / 129,781.04-194,670.41-41,034.60

Finding the Fourth Proportional to 129,781.04, 194,670.41 and 41,034.60

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Solution

The fourth proportional to 129,781.04, 194,670.41 and 41,034.60 is: 61,551.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,781.04 : 194,670.41 = 41,034.60 : x
  2. Step 2: Convert to fraction form
    129,781.04/194,670.41 = 41,034.60/x
  3. Step 3: Cross multiply
    129,781.04x = 194,670.41 × 41,034.60
  4. Step 4: Simplify right side
    129,781.04x = 7,988,222,201.01
  5. Step 5: Solve for x
    x = 7,988,222,201.01/129,781.04
  6. Step 6: Final answer
    x = 61,551.54

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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.