Home / 134,627.82-185,778.83-74,198.28

Finding the Fourth Proportional to 134,627.82, 185,778.83 and 74,198.28

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Solution

The fourth proportional to 134,627.82, 185,778.83 and 74,198.28 is: 102,389.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,627.82 : 185,778.83 = 74,198.28 : x
  2. Step 2: Convert to fraction form
    134,627.82/185,778.83 = 74,198.28/x
  3. Step 3: Cross multiply
    134,627.82x = 185,778.83 × 74,198.28
  4. Step 4: Simplify right side
    134,627.82x = 13,784,469,275.42
  5. Step 5: Solve for x
    x = 13,784,469,275.42/134,627.82
  6. Step 6: Final answer
    x = 102,389.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.