Home / 146,289.38-201,879.24-79,221.38

Finding the Fourth Proportional to 146,289.38, 201,879.24 and 79,221.38

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Solution

The fourth proportional to 146,289.38, 201,879.24 and 79,221.38 is: 109,325.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,289.38 : 201,879.24 = 79,221.38 : x
  2. Step 2: Convert to fraction form
    146,289.38/201,879.24 = 79,221.38/x
  3. Step 3: Cross multiply
    146,289.38x = 201,879.24 × 79,221.38
  4. Step 4: Simplify right side
    146,289.38x = 15,993,151,986.15
  5. Step 5: Solve for x
    x = 15,993,151,986.15/146,289.38
  6. Step 6: Final answer
    x = 109,325.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.