Home / 188,865.76-260,634.27-103,982.82

Finding the Fourth Proportional to 188,865.76, 260,634.27 and 103,982.82

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Solution

The fourth proportional to 188,865.76, 260,634.27 and 103,982.82 is: 143,496.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,865.76 : 260,634.27 = 103,982.82 : x
  2. Step 2: Convert to fraction form
    188,865.76/260,634.27 = 103,982.82/x
  3. Step 3: Cross multiply
    188,865.76x = 260,634.27 × 103,982.82
  4. Step 4: Simplify right side
    188,865.76x = 27,101,485,080.07
  5. Step 5: Solve for x
    x = 27,101,485,080.07/188,865.76
  6. Step 6: Final answer
    x = 143,496.02

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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.