Home / 138,166.02-207,249.04-49,414.14

Finding the Fourth Proportional to 138,166.02, 207,249.04 and 49,414.14

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Solution

The fourth proportional to 138,166.02, 207,249.04 and 49,414.14 is: 74,121.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,166.02 : 207,249.04 = 49,414.14 : x
  2. Step 2: Convert to fraction form
    138,166.02/207,249.04 = 49,414.14/x
  3. Step 3: Cross multiply
    138,166.02x = 207,249.04 × 49,414.14
  4. Step 4: Simplify right side
    138,166.02x = 10,241,033,077.43
  5. Step 5: Solve for x
    x = 10,241,033,077.43/138,166.02
  6. Step 6: Final answer
    x = 74,121.21

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1.5x scale

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.