Home / 188,069.10-259,535.67-103,186.77

Finding the Fourth Proportional to 188,069.10, 259,535.67 and 103,186.77

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Solution

The fourth proportional to 188,069.10, 259,535.67 and 103,186.77 is: 142,397.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,069.10 : 259,535.67 = 103,186.77 : x
  2. Step 2: Convert to fraction form
    188,069.10/259,535.67 = 103,186.77/x
  3. Step 3: Cross multiply
    188,069.10x = 259,535.67 × 103,186.77
  4. Step 4: Simplify right side
    188,069.10x = 26,780,647,487.09
  5. Step 5: Solve for x
    x = 26,780,647,487.09/188,069.10
  6. Step 6: Final answer
    x = 142,397.91

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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.