Home / 188,331.14-259,901.46-103,449.98

Finding the Fourth Proportional to 188,331.14, 259,901.46 and 103,449.98

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Solution

The fourth proportional to 188,331.14, 259,901.46 and 103,449.98 is: 142,763.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,331.14 : 259,901.46 = 103,449.98 : x
  2. Step 2: Convert to fraction form
    188,331.14/259,901.46 = 103,449.98/x
  3. Step 3: Cross multiply
    188,331.14x = 259,901.46 × 103,449.98
  4. Step 4: Simplify right side
    188,331.14x = 26,886,800,838.97
  5. Step 5: Solve for x
    x = 26,886,800,838.97/188,331.14
  6. Step 6: Final answer
    x = 142,763.44

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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.