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Finding the Fourth Proportional to 181,854.37, 250,949.50 and 101,280.43

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Solution

The fourth proportional to 181,854.37, 250,949.50 and 101,280.43 is: 139,761.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,854.37 : 250,949.50 = 101,280.43 : x
  2. Step 2: Convert to fraction form
    181,854.37/250,949.50 = 101,280.43/x
  3. Step 3: Cross multiply
    181,854.37x = 250,949.50 × 101,280.43
  4. Step 4: Simplify right side
    181,854.37x = 25,416,273,268.29
  5. Step 5: Solve for x
    x = 25,416,273,268.29/181,854.37
  6. Step 6: Final answer
    x = 139,761.69

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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.