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Finding the Fourth Proportional to 181,481.82, 250,422.23 and 100,899.07

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Solution

The fourth proportional to 181,481.82, 250,422.23 and 100,899.07 is: 139,228.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,481.82 : 250,422.23 = 100,899.07 : x
  2. Step 2: Convert to fraction form
    181,481.82/250,422.23 = 100,899.07/x
  3. Step 3: Cross multiply
    181,481.82x = 250,422.23 × 100,899.07
  4. Step 4: Simplify right side
    181,481.82x = 25,267,369,740.52
  5. Step 5: Solve for x
    x = 25,267,369,740.52/181,481.82
  6. Step 6: Final answer
    x = 139,228.11

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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.