Home / 119,565.33-178,904.97-87,998.73

Finding the Fourth Proportional to 119,565.33, 178,904.97 and 87,998.73

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Solution

The fourth proportional to 119,565.33, 178,904.97 and 87,998.73 is: 131,672.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,565.33 : 178,904.97 = 87,998.73 : x
  2. Step 2: Convert to fraction form
    119,565.33/178,904.97 = 87,998.73/x
  3. Step 3: Cross multiply
    119,565.33x = 178,904.97 × 87,998.73
  4. Step 4: Simplify right side
    119,565.33x = 15,743,410,150.69
  5. Step 5: Solve for x
    x = 15,743,410,150.69/119,565.33
  6. Step 6: Final answer
    x = 131,672.03

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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.