Home / 135,732.36-203,500.10-91,248.76

Finding the Fourth Proportional to 135,732.36, 203,500.10 and 91,248.76

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Solution

The fourth proportional to 135,732.36, 203,500.10 and 91,248.76 is: 136,806.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,732.36 : 203,500.10 = 91,248.76 : x
  2. Step 2: Convert to fraction form
    135,732.36/203,500.10 = 91,248.76/x
  3. Step 3: Cross multiply
    135,732.36x = 203,500.10 × 91,248.76
  4. Step 4: Simplify right side
    135,732.36x = 18,569,131,784.88
  5. Step 5: Solve for x
    x = 18,569,131,784.88/135,732.36
  6. Step 6: Final answer
    x = 136,806.96

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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.