Home / 146,379.38-202,003.67-79,311.38

Finding the Fourth Proportional to 146,379.38, 202,003.67 and 79,311.38

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Solution

The fourth proportional to 146,379.38, 202,003.67 and 79,311.38 is: 109,449.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,379.38 : 202,003.67 = 79,311.38 : x
  2. Step 2: Convert to fraction form
    146,379.38/202,003.67 = 79,311.38/x
  3. Step 3: Cross multiply
    146,379.38x = 202,003.67 × 79,311.38
  4. Step 4: Simplify right side
    146,379.38x = 16,021,189,021.02
  5. Step 5: Solve for x
    x = 16,021,189,021.02/146,379.38
  6. Step 6: Final answer
    x = 109,449.77

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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.