Home / 211,769.03-317,560.30-99,481.16

Finding the Fourth Proportional to 211,769.03, 317,560.30 and 99,481.16

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Solution

The fourth proportional to 211,769.03, 317,560.30 and 99,481.16 is: 149,177.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,769.03 : 317,560.30 = 99,481.16 : x
  2. Step 2: Convert to fraction form
    211,769.03/317,560.30 = 99,481.16/x
  3. Step 3: Cross multiply
    211,769.03x = 317,560.30 × 99,481.16
  4. Step 4: Simplify right side
    211,769.03x = 31,591,267,559.15
  5. Step 5: Solve for x
    x = 31,591,267,559.15/211,769.03
  6. Step 6: Final answer
    x = 149,177.94

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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.