Home / 250,201.43-345,302.60-142,787.61

Finding the Fourth Proportional to 250,201.43, 345,302.60 and 142,787.61

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Solution

The fourth proportional to 250,201.43, 345,302.60 and 142,787.61 is: 197,060.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,201.43 : 345,302.60 = 142,787.61 : x
  2. Step 2: Convert to fraction form
    250,201.43/345,302.60 = 142,787.61/x
  3. Step 3: Cross multiply
    250,201.43x = 345,302.60 × 142,787.61
  4. Step 4: Simplify right side
    250,201.43x = 49,304,932,980.79
  5. Step 5: Solve for x
    x = 49,304,932,980.79/250,201.43
  6. Step 6: Final answer
    x = 197,060.96

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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.