Home / 135,499.57-203,233.52-54,443.32

Finding the Fourth Proportional to 135,499.57, 203,233.52 and 54,443.32

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Solution

The fourth proportional to 135,499.57, 203,233.52 and 54,443.32 is: 81,658.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,499.57 : 203,233.52 = 54,443.32 : x
  2. Step 2: Convert to fraction form
    135,499.57/203,233.52 = 54,443.32/x
  3. Step 3: Cross multiply
    135,499.57x = 203,233.52 × 54,443.32
  4. Step 4: Simplify right side
    135,499.57x = 11,064,707,192.11
  5. Step 5: Solve for x
    x = 11,064,707,192.11/135,499.57
  6. Step 6: Final answer
    x = 81,658.62

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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.