Home / 180,725.31-271,031.92-145,102.73

Finding the Fourth Proportional to 180,725.31, 271,031.92 and 145,102.73

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Solution

The fourth proportional to 180,725.31, 271,031.92 and 145,102.73 is: 217,609.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,725.31 : 271,031.92 = 145,102.73 : x
  2. Step 2: Convert to fraction form
    180,725.31/271,031.92 = 145,102.73/x
  3. Step 3: Cross multiply
    180,725.31x = 271,031.92 × 145,102.73
  4. Step 4: Simplify right side
    180,725.31x = 39,327,470,607.43
  5. Step 5: Solve for x
    x = 39,327,470,607.43/180,725.31
  6. Step 6: Final answer
    x = 217,609.09

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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.