Home / 188,257.32-259,796.91-103,376.21

Finding the Fourth Proportional to 188,257.32, 259,796.91 and 103,376.21

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Solution

The fourth proportional to 188,257.32, 259,796.91 and 103,376.21 is: 142,660.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,257.32 : 259,796.91 = 103,376.21 : x
  2. Step 2: Convert to fraction form
    188,257.32/259,796.91 = 103,376.21/x
  3. Step 3: Cross multiply
    188,257.32x = 259,796.91 × 103,376.21
  4. Step 4: Simplify right side
    188,257.32x = 26,856,818,626.53
  5. Step 5: Solve for x
    x = 26,856,818,626.53/188,257.32
  6. Step 6: Final answer
    x = 142,660.16

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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.