Home / 149,481.20-206,276.28-92,891.36

Finding the Fourth Proportional to 149,481.20, 206,276.28 and 92,891.36

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Solution

The fourth proportional to 149,481.20, 206,276.28 and 92,891.36 is: 128,185.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,481.20 : 206,276.28 = 92,891.36 : x
  2. Step 2: Convert to fraction form
    149,481.20/206,276.28 = 92,891.36/x
  3. Step 3: Cross multiply
    149,481.20x = 206,276.28 × 92,891.36
  4. Step 4: Simplify right side
    149,481.20x = 19,161,284,184.94
  5. Step 5: Solve for x
    x = 19,161,284,184.94/149,481.20
  6. Step 6: Final answer
    x = 128,185.24

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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.