Home / 148,310.36-204,667.26-80,325.78

Finding the Fourth Proportional to 148,310.36, 204,667.26 and 80,325.78

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Solution

The fourth proportional to 148,310.36, 204,667.26 and 80,325.78 is: 110,849.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,310.36 : 204,667.26 = 80,325.78 : x
  2. Step 2: Convert to fraction form
    148,310.36/204,667.26 = 80,325.78/x
  3. Step 3: Cross multiply
    148,310.36x = 204,667.26 × 80,325.78
  4. Step 4: Simplify right side
    148,310.36x = 16,440,057,299.96
  5. Step 5: Solve for x
    x = 16,440,057,299.96/148,310.36
  6. Step 6: Final answer
    x = 110,849.02

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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.