Home / 181,400.61-250,321.77-100,825.41

Finding the Fourth Proportional to 181,400.61, 250,321.77 and 100,825.41

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Solution

The fourth proportional to 181,400.61, 250,321.77 and 100,825.41 is: 139,132.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,400.61 : 250,321.77 = 100,825.41 : x
  2. Step 2: Convert to fraction form
    181,400.61/250,321.77 = 100,825.41/x
  3. Step 3: Cross multiply
    181,400.61x = 250,321.77 × 100,825.41
  4. Step 4: Simplify right side
    181,400.61x = 25,238,795,092.18
  5. Step 5: Solve for x
    x = 25,238,795,092.18/181,400.61
  6. Step 6: Final answer
    x = 139,132.91

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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.