Home / 131,276.20-196,914.30-61,162.60

Finding the Fourth Proportional to 131,276.20, 196,914.30 and 61,162.60

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Solution

The fourth proportional to 131,276.20, 196,914.30 and 61,162.60 is: 91,743.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,276.20 : 196,914.30 = 61,162.60 : x
  2. Step 2: Convert to fraction form
    131,276.20/196,914.30 = 61,162.60/x
  3. Step 3: Cross multiply
    131,276.20x = 196,914.30 × 61,162.60
  4. Step 4: Simplify right side
    131,276.20x = 12,043,790,565.18
  5. Step 5: Solve for x
    x = 12,043,790,565.18/131,276.20
  6. Step 6: Final answer
    x = 91,743.90

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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.