Home / 188,074.30-259,540.50-103,191.34

Finding the Fourth Proportional to 188,074.30, 259,540.50 and 103,191.34

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Solution

The fourth proportional to 188,074.30, 259,540.50 and 103,191.34 is: 142,402.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,074.30 : 259,540.50 = 103,191.34 : x
  2. Step 2: Convert to fraction form
    188,074.30/259,540.50 = 103,191.34/x
  3. Step 3: Cross multiply
    188,074.30x = 259,540.50 × 103,191.34
  4. Step 4: Simplify right side
    188,074.30x = 26,782,331,979.27
  5. Step 5: Solve for x
    x = 26,782,331,979.27/188,074.30
  6. Step 6: Final answer
    x = 142,402.93

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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.