Home / 188,395.27-259,807.32-123,750.43

Finding the Fourth Proportional to 188,395.27, 259,807.32 and 123,750.43

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Solution

The fourth proportional to 188,395.27, 259,807.32 and 123,750.43 is: 170,658.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,395.27 : 259,807.32 = 123,750.43 : x
  2. Step 2: Convert to fraction form
    188,395.27/259,807.32 = 123,750.43/x
  3. Step 3: Cross multiply
    188,395.27x = 259,807.32 × 123,750.43
  4. Step 4: Simplify right side
    188,395.27x = 32,151,268,727.09
  5. Step 5: Solve for x
    x = 32,151,268,727.09/188,395.27
  6. Step 6: Final answer
    x = 170,658.58

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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.