Home / 141,743.44-195,608.30-78,081.30

Finding the Fourth Proportional to 141,743.44, 195,608.30 and 78,081.30

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Solution

The fourth proportional to 141,743.44, 195,608.30 and 78,081.30 is: 107,753.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,743.44 : 195,608.30 = 78,081.30 : x
  2. Step 2: Convert to fraction form
    141,743.44/195,608.30 = 78,081.30/x
  3. Step 3: Cross multiply
    141,743.44x = 195,608.30 × 78,081.30
  4. Step 4: Simplify right side
    141,743.44x = 15,273,350,354.79
  5. Step 5: Solve for x
    x = 15,273,350,354.79/141,743.44
  6. Step 6: Final answer
    x = 107,753.49

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1.5x scale

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.