Home / 192,076.67-288,007-132,175.55

Finding the Fourth Proportional to 192,076.67, 288,007 and 132,175.55

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Solution

The fourth proportional to 192,076.67, 288,007 and 132,175.55 is: 198,189.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,076.67 : 288,007 = 132,175.55 : x
  2. Step 2: Convert to fraction form
    192,076.67/288,007 = 132,175.55/x
  3. Step 3: Cross multiply
    192,076.67x = 288,007 × 132,175.55
  4. Step 4: Simplify right side
    192,076.67x = 38,067,483,628.85
  5. Step 5: Solve for x
    x = 38,067,483,628.85/192,076.67
  6. Step 6: Final answer
    x = 198,189.00

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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.