Home / 148,844.79-205,404.96-80,861.22

Finding the Fourth Proportional to 148,844.79, 205,404.96 and 80,861.22

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Solution

The fourth proportional to 148,844.79, 205,404.96 and 80,861.22 is: 111,588.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,844.79 : 205,404.96 = 80,861.22 : x
  2. Step 2: Convert to fraction form
    148,844.79/205,404.96 = 80,861.22/x
  3. Step 3: Cross multiply
    148,844.79x = 205,404.96 × 80,861.22
  4. Step 4: Simplify right side
    148,844.79x = 16,609,295,659.65
  5. Step 5: Solve for x
    x = 16,609,295,659.65/148,844.79
  6. Step 6: Final answer
    x = 111,588.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.