Home / 135,097.86-202,471.53-55,042.73

Finding the Fourth Proportional to 135,097.86, 202,471.53 and 55,042.73

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Solution

The fourth proportional to 135,097.86, 202,471.53 and 55,042.73 is: 82,492.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,097.86 : 202,471.53 = 55,042.73 : x
  2. Step 2: Convert to fraction form
    135,097.86/202,471.53 = 55,042.73/x
  3. Step 3: Cross multiply
    135,097.86x = 202,471.53 × 55,042.73
  4. Step 4: Simplify right side
    135,097.86x = 11,144,585,758.48
  5. Step 5: Solve for x
    x = 11,144,585,758.48/135,097.86
  6. Step 6: Final answer
    x = 82,492.69

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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.