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Finding the Fourth Proportional to 250,083.59, 345,118.11 and 142,659.97

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Solution

The fourth proportional to 250,083.59, 345,118.11 and 142,659.97 is: 196,872.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,083.59 : 345,118.11 = 142,659.97 : x
  2. Step 2: Convert to fraction form
    250,083.59/345,118.11 = 142,659.97/x
  3. Step 3: Cross multiply
    250,083.59x = 345,118.11 × 142,659.97
  4. Step 4: Simplify right side
    250,083.59x = 49,234,539,219.06
  5. Step 5: Solve for x
    x = 49,234,539,219.06/250,083.59
  6. Step 6: Final answer
    x = 196,872.33

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1.5x scale

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.