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Finding the Fourth Proportional to 135,881.84, 203,557.56 and 88,992.56

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Solution

The fourth proportional to 135,881.84, 203,557.56 and 88,992.56 is: 133,315.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,881.84 : 203,557.56 = 88,992.56 : x
  2. Step 2: Convert to fraction form
    135,881.84/203,557.56 = 88,992.56/x
  3. Step 3: Cross multiply
    135,881.84x = 203,557.56 × 88,992.56
  4. Step 4: Simplify right side
    135,881.84x = 18,115,108,371.75
  5. Step 5: Solve for x
    x = 18,115,108,371.75/135,881.84
  6. Step 6: Final answer
    x = 133,315.15

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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.