Home / 137,969.12-207,098.46-122,274.56

Finding the Fourth Proportional to 137,969.12, 207,098.46 and 122,274.56

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Solution

The fourth proportional to 137,969.12, 207,098.46 and 122,274.56 is: 183,540.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,969.12 : 207,098.46 = 122,274.56 : x
  2. Step 2: Convert to fraction form
    137,969.12/207,098.46 = 122,274.56/x
  3. Step 3: Cross multiply
    137,969.12x = 207,098.46 × 122,274.56
  4. Step 4: Simplify right side
    137,969.12x = 25,322,873,073.18
  5. Step 5: Solve for x
    x = 25,322,873,073.18/137,969.12
  6. Step 6: Final answer
    x = 183,540.15

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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.