Home / 138,452.07-207,678.08-33,271.04

Finding the Fourth Proportional to 138,452.07, 207,678.08 and 33,271.04

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Solution

The fourth proportional to 138,452.07, 207,678.08 and 33,271.04 is: 49,906.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,452.07 : 207,678.08 = 33,271.04 : x
  2. Step 2: Convert to fraction form
    138,452.07/207,678.08 = 33,271.04/x
  3. Step 3: Cross multiply
    138,452.07x = 207,678.08 × 33,271.04
  4. Step 4: Simplify right side
    138,452.07x = 6,909,665,919.78
  5. Step 5: Solve for x
    x = 6,909,665,919.78/138,452.07
  6. Step 6: Final answer
    x = 49,906.55

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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.