Home / 188,314.14-259,871.07-103,425.75

Finding the Fourth Proportional to 188,314.14, 259,871.07 and 103,425.75

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Solution

The fourth proportional to 188,314.14, 259,871.07 and 103,425.75 is: 142,726.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,314.14 : 259,871.07 = 103,425.75 : x
  2. Step 2: Convert to fraction form
    188,314.14/259,871.07 = 103,425.75/x
  3. Step 3: Cross multiply
    188,314.14x = 259,871.07 × 103,425.75
  4. Step 4: Simplify right side
    188,314.14x = 26,877,360,318.05
  5. Step 5: Solve for x
    x = 26,877,360,318.05/188,314.14
  6. Step 6: Final answer
    x = 142,726.19

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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.