Home / 188,217.90-259,741.13-103,340.43

Finding the Fourth Proportional to 188,217.90, 259,741.13 and 103,340.43

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Solution

The fourth proportional to 188,217.90, 259,741.13 and 103,340.43 is: 142,610.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,217.90 : 259,741.13 = 103,340.43 : x
  2. Step 2: Convert to fraction form
    188,217.90/259,741.13 = 103,340.43/x
  3. Step 3: Cross multiply
    188,217.90x = 259,741.13 × 103,340.43
  4. Step 4: Simplify right side
    188,217.90x = 26,841,760,062.89
  5. Step 5: Solve for x
    x = 26,841,760,062.89/188,217.90
  6. Step 6: Final answer
    x = 142,610.03

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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.