Home / 119,196.11-178,793.99-30,449.64

Finding the Fourth Proportional to 119,196.11, 178,793.99 and 30,449.64

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Solution

The fourth proportional to 119,196.11, 178,793.99 and 30,449.64 is: 45,674.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,196.11 : 178,793.99 = 30,449.64 : x
  2. Step 2: Convert to fraction form
    119,196.11/178,793.99 = 30,449.64/x
  3. Step 3: Cross multiply
    119,196.11x = 178,793.99 × 30,449.64
  4. Step 4: Simplify right side
    119,196.11x = 5,444,212,477.42
  5. Step 5: Solve for x
    x = 5,444,212,477.42/119,196.11
  6. Step 6: Final answer
    x = 45,674.42

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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.