Home / 134,080.80-201,121.20-40,586.55

Finding the Fourth Proportional to 134,080.80, 201,121.20 and 40,586.55

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Solution

The fourth proportional to 134,080.80, 201,121.20 and 40,586.55 is: 60,879.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,080.80 : 201,121.20 = 40,586.55 : x
  2. Step 2: Convert to fraction form
    134,080.80/201,121.20 = 40,586.55/x
  3. Step 3: Cross multiply
    134,080.80x = 201,121.20 × 40,586.55
  4. Step 4: Simplify right side
    134,080.80x = 8,162,815,639.86
  5. Step 5: Solve for x
    x = 8,162,815,639.86/134,080.80
  6. Step 6: Final answer
    x = 60,879.83

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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.