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Finding the Fourth Proportional to 181,319.88, 250,209.84 and 100,745.92

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Solution

The fourth proportional to 181,319.88, 250,209.84 and 100,745.92 is: 139,022.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,319.88 : 250,209.84 = 100,745.92 : x
  2. Step 2: Convert to fraction form
    181,319.88/250,209.84 = 100,745.92/x
  3. Step 3: Cross multiply
    181,319.88x = 250,209.84 × 100,745.92
  4. Step 4: Simplify right side
    181,319.88x = 25,207,620,523.85
  5. Step 5: Solve for x
    x = 25,207,620,523.85/181,319.88
  6. Step 6: Final answer
    x = 139,022.93

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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.