Home / 131,311.47-196,965.50-60,213.90

Finding the Fourth Proportional to 131,311.47, 196,965.50 and 60,213.90

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Solution

The fourth proportional to 131,311.47, 196,965.50 and 60,213.90 is: 90,320.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,311.47 : 196,965.50 = 60,213.90 : x
  2. Step 2: Convert to fraction form
    131,311.47/196,965.50 = 60,213.90/x
  3. Step 3: Cross multiply
    131,311.47x = 196,965.50 × 60,213.90
  4. Step 4: Simplify right side
    131,311.47x = 11,860,060,619.38
  5. Step 5: Solve for x
    x = 11,860,060,619.38/131,311.47
  6. Step 6: Final answer
    x = 90,320.07

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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.