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Finding the Fourth Proportional to 192,841.92, 266,145.62 and 116,404.88

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Solution

The fourth proportional to 192,841.92, 266,145.62 and 116,404.88 is: 160,653.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,841.92 : 266,145.62 = 116,404.88 : x
  2. Step 2: Convert to fraction form
    192,841.92/266,145.62 = 116,404.88/x
  3. Step 3: Cross multiply
    192,841.92x = 266,145.62 × 116,404.88
  4. Step 4: Simplify right side
    192,841.92x = 30,980,647,045.87
  5. Step 5: Solve for x
    x = 30,980,647,045.87/192,841.92
  6. Step 6: Final answer
    x = 160,653.07

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1.5x scale

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.