Home / 148,242.80-204,575.40-80,260.52

Finding the Fourth Proportional to 148,242.80, 204,575.40 and 80,260.52

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Solution

The fourth proportional to 148,242.80, 204,575.40 and 80,260.52 is: 110,759.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,242.80 : 204,575.40 = 80,260.52 : x
  2. Step 2: Convert to fraction form
    148,242.80/204,575.40 = 80,260.52/x
  3. Step 3: Cross multiply
    148,242.80x = 204,575.40 × 80,260.52
  4. Step 4: Simplify right side
    148,242.80x = 16,419,327,983.21
  5. Step 5: Solve for x
    x = 16,419,327,983.21/148,242.80
  6. Step 6: Final answer
    x = 110,759.70

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1.5x scale

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.