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Finding the Fourth Proportional to 250,141.68, 345,199.32 and 136,974.96

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Solution

The fourth proportional to 250,141.68, 345,199.32 and 136,974.96 is: 189,027.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,141.68 : 345,199.32 = 136,974.96 : x
  2. Step 2: Convert to fraction form
    250,141.68/345,199.32 = 136,974.96/x
  3. Step 3: Cross multiply
    250,141.68x = 345,199.32 × 136,974.96
  4. Step 4: Simplify right side
    250,141.68x = 47,283,663,049.03
  5. Step 5: Solve for x
    x = 47,283,663,049.03/250,141.68
  6. Step 6: Final answer
    x = 189,027.53

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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.