Home / 181,203.72-250,054.29-100,636.43

Finding the Fourth Proportional to 181,203.72, 250,054.29 and 100,636.43

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Solution

The fourth proportional to 181,203.72, 250,054.29 and 100,636.43 is: 138,874.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,203.72 : 250,054.29 = 100,636.43 : x
  2. Step 2: Convert to fraction form
    181,203.72/250,054.29 = 100,636.43/x
  3. Step 3: Cross multiply
    181,203.72x = 250,054.29 × 100,636.43
  4. Step 4: Simplify right side
    181,203.72x = 25,164,571,299.53
  5. Step 5: Solve for x
    x = 25,164,571,299.53/181,203.72
  6. Step 6: Final answer
    x = 138,874.47

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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.