Home / 203,731.12-305,659.25-97,250.95

Finding the Fourth Proportional to 203,731.12, 305,659.25 and 97,250.95

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Solution

The fourth proportional to 203,731.12, 305,659.25 and 97,250.95 is: 145,906.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,731.12 : 305,659.25 = 97,250.95 : x
  2. Step 2: Convert to fraction form
    203,731.12/305,659.25 = 97,250.95/x
  3. Step 3: Cross multiply
    203,731.12x = 305,659.25 × 97,250.95
  4. Step 4: Simplify right side
    203,731.12x = 29,725,652,438.79
  5. Step 5: Solve for x
    x = 29,725,652,438.79/203,731.12
  6. Step 6: Final answer
    x = 145,906.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.