Home / 138,181.80-207,272.70-95,972.70

Finding the Fourth Proportional to 138,181.80, 207,272.70 and 95,972.70

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Solution

The fourth proportional to 138,181.80, 207,272.70 and 95,972.70 is: 143,959.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,181.80 : 207,272.70 = 95,972.70 : x
  2. Step 2: Convert to fraction form
    138,181.80/207,272.70 = 95,972.70/x
  3. Step 3: Cross multiply
    138,181.80x = 207,272.70 × 95,972.70
  4. Step 4: Simplify right side
    138,181.80x = 19,892,520,655.29
  5. Step 5: Solve for x
    x = 19,892,520,655.29/138,181.80
  6. Step 6: Final answer
    x = 143,959.05

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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.