Home / 188,080.30-259,548.78-103,197.34

Finding the Fourth Proportional to 188,080.30, 259,548.78 and 103,197.34

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Solution

The fourth proportional to 188,080.30, 259,548.78 and 103,197.34 is: 142,411.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,080.30 : 259,548.78 = 103,197.34 : x
  2. Step 2: Convert to fraction form
    188,080.30/259,548.78 = 103,197.34/x
  3. Step 3: Cross multiply
    188,080.30x = 259,548.78 × 103,197.34
  4. Step 4: Simplify right side
    188,080.30x = 26,784,743,696.25
  5. Step 5: Solve for x
    x = 26,784,743,696.25/188,080.30
  6. Step 6: Final answer
    x = 142,411.21

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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.