Home / 181,490.25-250,442.22-100,912.80

Finding the Fourth Proportional to 181,490.25, 250,442.22 and 100,912.80

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Solution

The fourth proportional to 181,490.25, 250,442.22 and 100,912.80 is: 139,251.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,490.25 : 250,442.22 = 100,912.80 : x
  2. Step 2: Convert to fraction form
    181,490.25/250,442.22 = 100,912.80/x
  3. Step 3: Cross multiply
    181,490.25x = 250,442.22 × 100,912.80
  4. Step 4: Simplify right side
    181,490.25x = 25,272,825,658.42
  5. Step 5: Solve for x
    x = 25,272,825,658.42/181,490.25
  6. Step 6: Final answer
    x = 139,251.70

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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.