Home / 136,252.28-204,387.06-42,761.72

Finding the Fourth Proportional to 136,252.28, 204,387.06 and 42,761.72

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Solution

The fourth proportional to 136,252.28, 204,387.06 and 42,761.72 is: 64,145.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,252.28 : 204,387.06 = 42,761.72 : x
  2. Step 2: Convert to fraction form
    136,252.28/204,387.06 = 42,761.72/x
  3. Step 3: Cross multiply
    136,252.28x = 204,387.06 × 42,761.72
  4. Step 4: Simplify right side
    136,252.28x = 8,739,942,231.34
  5. Step 5: Solve for x
    x = 8,739,942,231.34/136,252.28
  6. Step 6: Final answer
    x = 64,145.29

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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.