Home / 138,056.62-207,118.26-48,086.18

Finding the Fourth Proportional to 138,056.62, 207,118.26 and 48,086.18

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Solution

The fourth proportional to 138,056.62, 207,118.26 and 48,086.18 is: 72,140.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,056.62 : 207,118.26 = 48,086.18 : x
  2. Step 2: Convert to fraction form
    138,056.62/207,118.26 = 48,086.18/x
  3. Step 3: Cross multiply
    138,056.62x = 207,118.26 × 48,086.18
  4. Step 4: Simplify right side
    138,056.62x = 9,959,524,954.99
  5. Step 5: Solve for x
    x = 9,959,524,954.99/138,056.62
  6. Step 6: Final answer
    x = 72,140.87

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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.