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Finding the Fourth Proportional to 178,361.82, 267,587.28 and 125,873.82

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Solution

The fourth proportional to 178,361.82, 267,587.28 and 125,873.82 is: 188,842.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,361.82 : 267,587.28 = 125,873.82 : x
  2. Step 2: Convert to fraction form
    178,361.82/267,587.28 = 125,873.82/x
  3. Step 3: Cross multiply
    178,361.82x = 267,587.28 × 125,873.82
  4. Step 4: Simplify right side
    178,361.82x = 33,682,233,117.01
  5. Step 5: Solve for x
    x = 33,682,233,117.01/178,361.82
  6. Step 6: Final answer
    x = 188,842.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.