Home / 188,127.96-259,616.34-107,557.26

Finding the Fourth Proportional to 188,127.96, 259,616.34 and 107,557.26

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Solution

The fourth proportional to 188,127.96, 259,616.34 and 107,557.26 is: 148,428.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,127.96 : 259,616.34 = 107,557.26 : x
  2. Step 2: Convert to fraction form
    188,127.96/259,616.34 = 107,557.26/x
  3. Step 3: Cross multiply
    188,127.96x = 259,616.34 × 107,557.26
  4. Step 4: Simplify right side
    188,127.96x = 27,923,622,181.63
  5. Step 5: Solve for x
    x = 27,923,622,181.63/188,127.96
  6. Step 6: Final answer
    x = 148,428.88

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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.