Home / 188,284.17-259,836.67-103,403.05

Finding the Fourth Proportional to 188,284.17, 259,836.67 and 103,403.05

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Solution

The fourth proportional to 188,284.17, 259,836.67 and 103,403.05 is: 142,698.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,284.17 : 259,836.67 = 103,403.05 : x
  2. Step 2: Convert to fraction form
    188,284.17/259,836.67 = 103,403.05/x
  3. Step 3: Cross multiply
    188,284.17x = 259,836.67 × 103,403.05
  4. Step 4: Simplify right side
    188,284.17x = 26,867,904,179.84
  5. Step 5: Solve for x
    x = 26,867,904,179.84/188,284.17
  6. Step 6: Final answer
    x = 142,698.69

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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.