Home / 140,806.78-194,313.33-84,231.52

Finding the Fourth Proportional to 140,806.78, 194,313.33 and 84,231.52

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Solution

The fourth proportional to 140,806.78, 194,313.33 and 84,231.52 is: 116,239.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,806.78 : 194,313.33 = 84,231.52 : x
  2. Step 2: Convert to fraction form
    140,806.78/194,313.33 = 84,231.52/x
  3. Step 3: Cross multiply
    140,806.78x = 194,313.33 × 84,231.52
  4. Step 4: Simplify right side
    140,806.78x = 16,367,307,142.16
  5. Step 5: Solve for x
    x = 16,367,307,142.16/140,806.78
  6. Step 6: Final answer
    x = 116,239.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.