Home / 192,001.70-288,002.55-131,867.30

Finding the Fourth Proportional to 192,001.70, 288,002.55 and 131,867.30

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Solution

The fourth proportional to 192,001.70, 288,002.55 and 131,867.30 is: 197,800.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,001.70 : 288,002.55 = 131,867.30 : x
  2. Step 2: Convert to fraction form
    192,001.70/288,002.55 = 131,867.30/x
  3. Step 3: Cross multiply
    192,001.70x = 288,002.55 × 131,867.30
  4. Step 4: Simplify right side
    192,001.70x = 37,978,118,661.62
  5. Step 5: Solve for x
    x = 37,978,118,661.62/192,001.70
  6. Step 6: Final answer
    x = 197,800.95

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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.