Home / 192,795.56-289,243.20-112,901

Finding the Fourth Proportional to 192,795.56, 289,243.20 and 112,901

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Solution

The fourth proportional to 192,795.56, 289,243.20 and 112,901 is: 169,380.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,795.56 : 289,243.20 = 112,901 : x
  2. Step 2: Convert to fraction form
    192,795.56/289,243.20 = 112,901/x
  3. Step 3: Cross multiply
    192,795.56x = 289,243.20 × 112,901
  4. Step 4: Simplify right side
    192,795.56x = 32,655,846,523.20
  5. Step 5: Solve for x
    x = 32,655,846,523.20/192,795.56
  6. Step 6: Final answer
    x = 169,380.70

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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.