Home / 131,442.90-197,085.15-50,353.62

Finding the Fourth Proportional to 131,442.90, 197,085.15 and 50,353.62

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Solution

The fourth proportional to 131,442.90, 197,085.15 and 50,353.62 is: 75,500.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,442.90 : 197,085.15 = 50,353.62 : x
  2. Step 2: Convert to fraction form
    131,442.90/197,085.15 = 50,353.62/x
  3. Step 3: Cross multiply
    131,442.90x = 197,085.15 × 50,353.62
  4. Step 4: Simplify right side
    131,442.90x = 9,923,950,750.74
  5. Step 5: Solve for x
    x = 9,923,950,750.74/131,442.90
  6. Step 6: Final answer
    x = 75,500.09

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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.