Home / 172,826.20-259,239.30-98,176.60

Finding the Fourth Proportional to 172,826.20, 259,239.30 and 98,176.60

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Solution

The fourth proportional to 172,826.20, 259,239.30 and 98,176.60 is: 147,264.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,826.20 : 259,239.30 = 98,176.60 : x
  2. Step 2: Convert to fraction form
    172,826.20/259,239.30 = 98,176.60/x
  3. Step 3: Cross multiply
    172,826.20x = 259,239.30 × 98,176.60
  4. Step 4: Simplify right side
    172,826.20x = 25,451,233,060.38
  5. Step 5: Solve for x
    x = 25,451,233,060.38/172,826.20
  6. Step 6: Final answer
    x = 147,264.90

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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.