Home / 211,935.42-317,902.32-54,163.62

Finding the Fourth Proportional to 211,935.42, 317,902.32 and 54,163.62

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Solution

The fourth proportional to 211,935.42, 317,902.32 and 54,163.62 is: 81,245.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,935.42 : 317,902.32 = 54,163.62 : x
  2. Step 2: Convert to fraction form
    211,935.42/317,902.32 = 54,163.62/x
  3. Step 3: Cross multiply
    211,935.42x = 317,902.32 × 54,163.62
  4. Step 4: Simplify right side
    211,935.42x = 17,218,740,457.60
  5. Step 5: Solve for x
    x = 17,218,740,457.60/211,935.42
  6. Step 6: Final answer
    x = 81,245.22

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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.