Home / 80,176.24-120,133.02-42,696.52

Finding the Fourth Proportional to 80,176.24, 120,133.02 and 42,696.52

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Solution

The fourth proportional to 80,176.24, 120,133.02 and 42,696.52 is: 63,974.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,176.24 : 120,133.02 = 42,696.52 : x
  2. Step 2: Convert to fraction form
    80,176.24/120,133.02 = 42,696.52/x
  3. Step 3: Cross multiply
    80,176.24x = 120,133.02 × 42,696.52
  4. Step 4: Simplify right side
    80,176.24x = 5,129,261,891.09
  5. Step 5: Solve for x
    x = 5,129,261,891.09/80,176.24
  6. Step 6: Final answer
    x = 63,974.84

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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.