Home / 142,234.28-196,283.96-77,704.44

Finding the Fourth Proportional to 142,234.28, 196,283.96 and 77,704.44

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Solution

The fourth proportional to 142,234.28, 196,283.96 and 77,704.44 is: 107,232.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,234.28 : 196,283.96 = 77,704.44 : x
  2. Step 2: Convert to fraction form
    142,234.28/196,283.96 = 77,704.44/x
  3. Step 3: Cross multiply
    142,234.28x = 196,283.96 × 77,704.44
  4. Step 4: Simplify right side
    142,234.28x = 15,252,135,192.78
  5. Step 5: Solve for x
    x = 15,252,135,192.78/142,234.28
  6. Step 6: Final answer
    x = 107,232.48

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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.