Home / 188,115.22-259,602.17-103,240.18

Finding the Fourth Proportional to 188,115.22, 259,602.17 and 103,240.18

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Solution

The fourth proportional to 188,115.22, 259,602.17 and 103,240.18 is: 142,473.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,115.22 : 259,602.17 = 103,240.18 : x
  2. Step 2: Convert to fraction form
    188,115.22/259,602.17 = 103,240.18/x
  3. Step 3: Cross multiply
    188,115.22x = 259,602.17 × 103,240.18
  4. Step 4: Simplify right side
    188,115.22x = 26,801,374,759.19
  5. Step 5: Solve for x
    x = 26,801,374,759.19/188,115.22
  6. Step 6: Final answer
    x = 142,473.19

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1.5x scale

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.