Home / 138,029.20-207,072.60-44,544.40

Finding the Fourth Proportional to 138,029.20, 207,072.60 and 44,544.40

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Solution

The fourth proportional to 138,029.20, 207,072.60 and 44,544.40 is: 66,825.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,029.20 : 207,072.60 = 44,544.40 : x
  2. Step 2: Convert to fraction form
    138,029.20/207,072.60 = 44,544.40/x
  3. Step 3: Cross multiply
    138,029.20x = 207,072.60 × 44,544.40
  4. Step 4: Simplify right side
    138,029.20x = 9,223,924,723.44
  5. Step 5: Solve for x
    x = 9,223,924,723.44/138,029.20
  6. Step 6: Final answer
    x = 66,825.89

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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.