Home / 185,769.60-278,740.80-97,123.20

Finding the Fourth Proportional to 185,769.60, 278,740.80 and 97,123.20

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Solution

The fourth proportional to 185,769.60, 278,740.80 and 97,123.20 is: 145,729.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,769.60 : 278,740.80 = 97,123.20 : x
  2. Step 2: Convert to fraction form
    185,769.60/278,740.80 = 97,123.20/x
  3. Step 3: Cross multiply
    185,769.60x = 278,740.80 × 97,123.20
  4. Step 4: Simplify right side
    185,769.60x = 27,072,198,466.56
  5. Step 5: Solve for x
    x = 27,072,198,466.56/185,769.60
  6. Step 6: Final answer
    x = 145,729.97

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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.