Home / 195,401.70-293,102.55-172,851.30

Finding the Fourth Proportional to 195,401.70, 293,102.55 and 172,851.30

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Solution

The fourth proportional to 195,401.70, 293,102.55 and 172,851.30 is: 259,276.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,401.70 : 293,102.55 = 172,851.30 : x
  2. Step 2: Convert to fraction form
    195,401.70/293,102.55 = 172,851.30/x
  3. Step 3: Cross multiply
    195,401.70x = 293,102.55 × 172,851.30
  4. Step 4: Simplify right side
    195,401.70x = 50,663,156,800.82
  5. Step 5: Solve for x
    x = 50,663,156,800.82/195,401.70
  6. Step 6: Final answer
    x = 259,276.95

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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.