Home / 188,210.32-259,727.01-103,326.77

Finding the Fourth Proportional to 188,210.32, 259,727.01 and 103,326.77

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Solution

The fourth proportional to 188,210.32, 259,727.01 and 103,326.77 is: 142,589.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,210.32 : 259,727.01 = 103,326.77 : x
  2. Step 2: Convert to fraction form
    188,210.32/259,727.01 = 103,326.77/x
  3. Step 3: Cross multiply
    188,210.32x = 259,727.01 × 103,326.77
  4. Step 4: Simplify right side
    188,210.32x = 26,836,753,286.90
  5. Step 5: Solve for x
    x = 26,836,753,286.90/188,210.32
  6. Step 6: Final answer
    x = 142,589.17

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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.