Home / 138,202.27-207,304.56-38,370.25

Finding the Fourth Proportional to 138,202.27, 207,304.56 and 38,370.25

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Solution

The fourth proportional to 138,202.27, 207,304.56 and 38,370.25 is: 57,555.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,202.27 : 207,304.56 = 38,370.25 : x
  2. Step 2: Convert to fraction form
    138,202.27/207,304.56 = 38,370.25/x
  3. Step 3: Cross multiply
    138,202.27x = 207,304.56 × 38,370.25
  4. Step 4: Simplify right side
    138,202.27x = 7,954,326,756.82
  5. Step 5: Solve for x
    x = 7,954,326,756.82/138,202.27
  6. Step 6: Final answer
    x = 57,555.69

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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.