Home / 131,314.20-196,971.30-61,200.60

Finding the Fourth Proportional to 131,314.20, 196,971.30 and 61,200.60

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Solution

The fourth proportional to 131,314.20, 196,971.30 and 61,200.60 is: 91,800.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,314.20 : 196,971.30 = 61,200.60 : x
  2. Step 2: Convert to fraction form
    131,314.20/196,971.30 = 61,200.60/x
  3. Step 3: Cross multiply
    131,314.20x = 196,971.30 × 61,200.60
  4. Step 4: Simplify right side
    131,314.20x = 12,054,761,742.78
  5. Step 5: Solve for x
    x = 12,054,761,742.78/131,314.20
  6. Step 6: Final answer
    x = 91,800.90

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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.