Home / 149,612.52-206,540.10-93,042.12

Finding the Fourth Proportional to 149,612.52, 206,540.10 and 93,042.12

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Solution

The fourth proportional to 149,612.52, 206,540.10 and 93,042.12 is: 128,444.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,612.52 : 206,540.10 = 93,042.12 : x
  2. Step 2: Convert to fraction form
    149,612.52/206,540.10 = 93,042.12/x
  3. Step 3: Cross multiply
    149,612.52x = 206,540.10 × 93,042.12
  4. Step 4: Simplify right side
    149,612.52x = 19,216,928,769.01
  5. Step 5: Solve for x
    x = 19,216,928,769.01/149,612.52
  6. Step 6: Final answer
    x = 128,444.66

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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.