Home / 188,825.48-260,584.62-102,790.04

Finding the Fourth Proportional to 188,825.48, 260,584.62 and 102,790.04

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Solution

The fourth proportional to 188,825.48, 260,584.62 and 102,790.04 is: 141,853.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,825.48 : 260,584.62 = 102,790.04 : x
  2. Step 2: Convert to fraction form
    188,825.48/260,584.62 = 102,790.04/x
  3. Step 3: Cross multiply
    188,825.48x = 260,584.62 × 102,790.04
  4. Step 4: Simplify right side
    188,825.48x = 26,785,501,696.31
  5. Step 5: Solve for x
    x = 26,785,501,696.31/188,825.48
  6. Step 6: Final answer
    x = 141,853.22

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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.