Home / 138,055.12-207,104.60-44,539

Finding the Fourth Proportional to 138,055.12, 207,104.60 and 44,539

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Solution

The fourth proportional to 138,055.12, 207,104.60 and 44,539 is: 66,815.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,055.12 : 207,104.60 = 44,539 : x
  2. Step 2: Convert to fraction form
    138,055.12/207,104.60 = 44,539/x
  3. Step 3: Cross multiply
    138,055.12x = 207,104.60 × 44,539
  4. Step 4: Simplify right side
    138,055.12x = 9,224,231,556.71
  5. Step 5: Solve for x
    x = 9,224,231,556.71/138,055.12
  6. Step 6: Final answer
    x = 66,815.57

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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.