Home / 141,576.47-195,375.58-77,912.90

Finding the Fourth Proportional to 141,576.47, 195,375.58 and 77,912.90

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Solution

The fourth proportional to 141,576.47, 195,375.58 and 77,912.90 is: 107,519.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,576.47 : 195,375.58 = 77,912.90 : x
  2. Step 2: Convert to fraction form
    141,576.47/195,375.58 = 77,912.90/x
  3. Step 3: Cross multiply
    141,576.47x = 195,375.58 × 77,912.90
  4. Step 4: Simplify right side
    141,576.47x = 15,222,277,587.98
  5. Step 5: Solve for x
    x = 15,222,277,587.98/141,576.47
  6. Step 6: Final answer
    x = 107,519.83

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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.