Home / 189,331.32-283,914.12-70,919.64

Finding the Fourth Proportional to 189,331.32, 283,914.12 and 70,919.64

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Solution

The fourth proportional to 189,331.32, 283,914.12 and 70,919.64 is: 106,348.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,331.32 : 283,914.12 = 70,919.64 : x
  2. Step 2: Convert to fraction form
    189,331.32/283,914.12 = 70,919.64/x
  3. Step 3: Cross multiply
    189,331.32x = 283,914.12 × 70,919.64
  4. Step 4: Simplify right side
    189,331.32x = 20,135,087,181.32
  5. Step 5: Solve for x
    x = 20,135,087,181.32/189,331.32
  6. Step 6: Final answer
    x = 106,348.42

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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.