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Finding the Fourth Proportional to 192,173.62, 288,230.86 and 64,092.16

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Solution

The fourth proportional to 192,173.62, 288,230.86 and 64,092.16 is: 96,128.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,173.62 : 288,230.86 = 64,092.16 : x
  2. Step 2: Convert to fraction form
    192,173.62/288,230.86 = 64,092.16/x
  3. Step 3: Cross multiply
    192,173.62x = 288,230.86 × 64,092.16
  4. Step 4: Simplify right side
    192,173.62x = 18,473,338,396.06
  5. Step 5: Solve for x
    x = 18,473,338,396.06/192,173.62
  6. Step 6: Final answer
    x = 96,128.38

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1.5x scale

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.