Home / 189,099.12-283,651.56-55,992.84

Finding the Fourth Proportional to 189,099.12, 283,651.56 and 55,992.84

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Solution

The fourth proportional to 189,099.12, 283,651.56 and 55,992.84 is: 83,990.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,099.12 : 283,651.56 = 55,992.84 : x
  2. Step 2: Convert to fraction form
    189,099.12/283,651.56 = 55,992.84/x
  3. Step 3: Cross multiply
    189,099.12x = 283,651.56 × 55,992.84
  4. Step 4: Simplify right side
    189,099.12x = 15,882,456,414.83
  5. Step 5: Solve for x
    x = 15,882,456,414.83/189,099.12
  6. Step 6: Final answer
    x = 83,990.11

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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.