Home / 138,160.68-207,236.16-44,664

Finding the Fourth Proportional to 138,160.68, 207,236.16 and 44,664

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Solution

The fourth proportional to 138,160.68, 207,236.16 and 44,664 is: 66,994.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,160.68 : 207,236.16 = 44,664 : x
  2. Step 2: Convert to fraction form
    138,160.68/207,236.16 = 44,664/x
  3. Step 3: Cross multiply
    138,160.68x = 207,236.16 × 44,664
  4. Step 4: Simplify right side
    138,160.68x = 9,255,995,850.24
  5. Step 5: Solve for x
    x = 9,255,995,850.24/138,160.68
  6. Step 6: Final answer
    x = 66,994.43

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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.