Home / 134,367.76-185,350.38-83,979.28

Finding the Fourth Proportional to 134,367.76, 185,350.38 and 83,979.28

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Solution

The fourth proportional to 134,367.76, 185,350.38 and 83,979.28 is: 115,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,367.76 : 185,350.38 = 83,979.28 : x
  2. Step 2: Convert to fraction form
    134,367.76/185,350.38 = 83,979.28/x
  3. Step 3: Cross multiply
    134,367.76x = 185,350.38 × 83,979.28
  4. Step 4: Simplify right side
    134,367.76x = 15,565,591,376.89
  5. Step 5: Solve for x
    x = 15,565,591,376.89/134,367.76
  6. Step 6: Final answer
    x = 115,843.20

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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.