Home / 149,304.52-206,042.48-81,324.64

Finding the Fourth Proportional to 149,304.52, 206,042.48 and 81,324.64

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Solution

The fourth proportional to 149,304.52, 206,042.48 and 81,324.64 is: 112,229.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,304.52 : 206,042.48 = 81,324.64 : x
  2. Step 2: Convert to fraction form
    149,304.52/206,042.48 = 81,324.64/x
  3. Step 3: Cross multiply
    149,304.52x = 206,042.48 × 81,324.64
  4. Step 4: Simplify right side
    149,304.52x = 16,756,330,510.71
  5. Step 5: Solve for x
    x = 16,756,330,510.71/149,304.52
  6. Step 6: Final answer
    x = 112,229.22

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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.