Home / 193,439.52-266,946.68-108,556.57

Finding the Fourth Proportional to 193,439.52, 266,946.68 and 108,556.57

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Solution

The fourth proportional to 193,439.52, 266,946.68 and 108,556.57 is: 149,808.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,439.52 : 266,946.68 = 108,556.57 : x
  2. Step 2: Convert to fraction form
    193,439.52/266,946.68 = 108,556.57/x
  3. Step 3: Cross multiply
    193,439.52x = 266,946.68 × 108,556.57
  4. Step 4: Simplify right side
    193,439.52x = 28,978,815,953.69
  5. Step 5: Solve for x
    x = 28,978,815,953.69/193,439.52
  6. Step 6: Final answer
    x = 149,808.15

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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.