Home / 188,531.67-260,175.39-102,490.82

Finding the Fourth Proportional to 188,531.67, 260,175.39 and 102,490.82

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Solution

The fourth proportional to 188,531.67, 260,175.39 and 102,490.82 is: 141,438.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,531.67 : 260,175.39 = 102,490.82 : x
  2. Step 2: Convert to fraction form
    188,531.67/260,175.39 = 102,490.82/x
  3. Step 3: Cross multiply
    188,531.67x = 260,175.39 × 102,490.82
  4. Step 4: Simplify right side
    188,531.67x = 26,665,587,764.04
  5. Step 5: Solve for x
    x = 26,665,587,764.04/188,531.67
  6. Step 6: Final answer
    x = 141,438.24

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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.