Home / 131,220.22-196,861.57-42,473.72

Finding the Fourth Proportional to 131,220.22, 196,861.57 and 42,473.72

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Solution

The fourth proportional to 131,220.22, 196,861.57 and 42,473.72 is: 63,720.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,220.22 : 196,861.57 = 42,473.72 : x
  2. Step 2: Convert to fraction form
    131,220.22/196,861.57 = 42,473.72/x
  3. Step 3: Cross multiply
    131,220.22x = 196,861.57 × 42,473.72
  4. Step 4: Simplify right side
    131,220.22x = 8,361,443,202.94
  5. Step 5: Solve for x
    x = 8,361,443,202.94/131,220.22
  6. Step 6: Final answer
    x = 63,720.69

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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.