Home / 148,245.30-204,578.60-80,262.29

Finding the Fourth Proportional to 148,245.30, 204,578.60 and 80,262.29

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Solution

The fourth proportional to 148,245.30, 204,578.60 and 80,262.29 is: 110,762.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,245.30 : 204,578.60 = 80,262.29 : x
  2. Step 2: Convert to fraction form
    148,245.30/204,578.60 = 80,262.29/x
  3. Step 3: Cross multiply
    148,245.30x = 204,578.60 × 80,262.29
  4. Step 4: Simplify right side
    148,245.30x = 16,419,947,031.13
  5. Step 5: Solve for x
    x = 16,419,947,031.13/148,245.30
  6. Step 6: Final answer
    x = 110,762.01

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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.