Home / 204,785.74-307,465.35-105,016.42

Finding the Fourth Proportional to 204,785.74, 307,465.35 and 105,016.42

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Solution

The fourth proportional to 204,785.74, 307,465.35 and 105,016.42 is: 157,671.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,785.74 : 307,465.35 = 105,016.42 : x
  2. Step 2: Convert to fraction form
    204,785.74/307,465.35 = 105,016.42/x
  3. Step 3: Cross multiply
    204,785.74x = 307,465.35 × 105,016.42
  4. Step 4: Simplify right side
    204,785.74x = 32,288,910,331.05
  5. Step 5: Solve for x
    x = 32,288,910,331.05/204,785.74
  6. Step 6: Final answer
    x = 157,671.67

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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.