Home / 138,452.38-207,678.55-33,271.35

Finding the Fourth Proportional to 138,452.38, 207,678.55 and 33,271.35

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Solution

The fourth proportional to 138,452.38, 207,678.55 and 33,271.35 is: 49,907.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,452.38 : 207,678.55 = 33,271.35 : x
  2. Step 2: Convert to fraction form
    138,452.38/207,678.55 = 33,271.35/x
  3. Step 3: Cross multiply
    138,452.38x = 207,678.55 × 33,271.35
  4. Step 4: Simplify right side
    138,452.38x = 6,909,745,641.36
  5. Step 5: Solve for x
    x = 6,909,745,641.36/138,452.38
  6. Step 6: Final answer
    x = 49,907.02

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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.