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Finding the Fourth Proportional to 192,548.87, 288,891.73 and 85,923.13

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Solution

The fourth proportional to 192,548.87, 288,891.73 and 85,923.13 is: 128,915.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,548.87 : 288,891.73 = 85,923.13 : x
  2. Step 2: Convert to fraction form
    192,548.87/288,891.73 = 85,923.13/x
  3. Step 3: Cross multiply
    192,548.87x = 288,891.73 × 85,923.13
  4. Step 4: Simplify right side
    192,548.87x = 24,822,481,237.07
  5. Step 5: Solve for x
    x = 24,822,481,237.07/192,548.87
  6. Step 6: Final answer
    x = 128,915.23

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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.