Home / 134,724.39-185,919.66-77,367.48

Finding the Fourth Proportional to 134,724.39, 185,919.66 and 77,367.48

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Solution

The fourth proportional to 134,724.39, 185,919.66 and 77,367.48 is: 106,767.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,724.39 : 185,919.66 = 77,367.48 : x
  2. Step 2: Convert to fraction form
    134,724.39/185,919.66 = 77,367.48/x
  3. Step 3: Cross multiply
    134,724.39x = 185,919.66 × 77,367.48
  4. Step 4: Simplify right side
    134,724.39x = 14,384,135,576.66
  5. Step 5: Solve for x
    x = 14,384,135,576.66/134,724.39
  6. Step 6: Final answer
    x = 106,767.12

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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.