Home / 188,530.11-260,173.26-102,489.27

Finding the Fourth Proportional to 188,530.11, 260,173.26 and 102,489.27

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Solution

The fourth proportional to 188,530.11, 260,173.26 and 102,489.27 is: 141,436.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,530.11 : 260,173.26 = 102,489.27 : x
  2. Step 2: Convert to fraction form
    188,530.11/260,173.26 = 102,489.27/x
  3. Step 3: Cross multiply
    188,530.11x = 260,173.26 × 102,489.27
  4. Step 4: Simplify right side
    188,530.11x = 26,664,965,677.61
  5. Step 5: Solve for x
    x = 26,664,965,677.61/188,530.11
  6. Step 6: Final answer
    x = 141,436.11

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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.