Home / 188,238.42-259,773.21-103,355.82

Finding the Fourth Proportional to 188,238.42, 259,773.21 and 103,355.82

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Solution

The fourth proportional to 188,238.42, 259,773.21 and 103,355.82 is: 142,633.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,238.42 : 259,773.21 = 103,355.82 : x
  2. Step 2: Convert to fraction form
    188,238.42/259,773.21 = 103,355.82/x
  3. Step 3: Cross multiply
    188,238.42x = 259,773.21 × 103,355.82
  4. Step 4: Simplify right side
    188,238.42x = 26,849,073,133.58
  5. Step 5: Solve for x
    x = 26,849,073,133.58/188,238.42
  6. Step 6: Final answer
    x = 142,633.33

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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.