Home / 80,150.36-120,253.16-35,807.72

Finding the Fourth Proportional to 80,150.36, 120,253.16 and 35,807.72

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Solution

The fourth proportional to 80,150.36, 120,253.16 and 35,807.72 is: 53,723.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,150.36 : 120,253.16 = 35,807.72 : x
  2. Step 2: Convert to fraction form
    80,150.36/120,253.16 = 35,807.72/x
  3. Step 3: Cross multiply
    80,150.36x = 120,253.16 × 35,807.72
  4. Step 4: Simplify right side
    80,150.36x = 4,305,990,970.65
  5. Step 5: Solve for x
    x = 4,305,990,970.65/80,150.36
  6. Step 6: Final answer
    x = 53,723.92

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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.