Home / 138,450.13-207,675.17-33,269.10

Finding the Fourth Proportional to 138,450.13, 207,675.17 and 33,269.10

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Solution

The fourth proportional to 138,450.13, 207,675.17 and 33,269.10 is: 49,903.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,450.13 : 207,675.17 = 33,269.10 : x
  2. Step 2: Convert to fraction form
    138,450.13/207,675.17 = 33,269.10/x
  3. Step 3: Cross multiply
    138,450.13x = 207,675.17 × 33,269.10
  4. Step 4: Simplify right side
    138,450.13x = 6,909,165,351.72
  5. Step 5: Solve for x
    x = 6,909,165,351.72/138,450.13
  6. Step 6: Final answer
    x = 49,903.64

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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.