Home / 188,074.10-259,542.57-103,191.77

Finding the Fourth Proportional to 188,074.10, 259,542.57 and 103,191.77

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Solution

The fourth proportional to 188,074.10, 259,542.57 and 103,191.77 is: 142,404.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,074.10 : 259,542.57 = 103,191.77 : x
  2. Step 2: Convert to fraction form
    188,074.10/259,542.57 = 103,191.77/x
  3. Step 3: Cross multiply
    188,074.10x = 259,542.57 × 103,191.77
  4. Step 4: Simplify right side
    188,074.10x = 26,782,657,188.65
  5. Step 5: Solve for x
    x = 26,782,657,188.65/188,074.10
  6. Step 6: Final answer
    x = 142,404.81

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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.