Home / 188,731.38-260,451.12-103,850.26

Finding the Fourth Proportional to 188,731.38, 260,451.12 and 103,850.26

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Solution

The fourth proportional to 188,731.38, 260,451.12 and 103,850.26 is: 143,314.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,731.38 : 260,451.12 = 103,850.26 : x
  2. Step 2: Convert to fraction form
    188,731.38/260,451.12 = 103,850.26/x
  3. Step 3: Cross multiply
    188,731.38x = 260,451.12 × 103,850.26
  4. Step 4: Simplify right side
    188,731.38x = 27,047,916,529.29
  5. Step 5: Solve for x
    x = 27,047,916,529.29/188,731.38
  6. Step 6: Final answer
    x = 143,314.36

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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.