Home / 192,816.72-288,722.07-155,171.16

Finding the Fourth Proportional to 192,816.72, 288,722.07 and 155,171.16

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Solution

The fourth proportional to 192,816.72, 288,722.07 and 155,171.16 is: 232,351.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,816.72 : 288,722.07 = 155,171.16 : x
  2. Step 2: Convert to fraction form
    192,816.72/288,722.07 = 155,171.16/x
  3. Step 3: Cross multiply
    192,816.72x = 288,722.07 × 155,171.16
  4. Step 4: Simplify right side
    192,816.72x = 44,801,338,519.50
  5. Step 5: Solve for x
    x = 44,801,338,519.50/192,816.72
  6. Step 6: Final answer
    x = 232,351.94

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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.