Home / 96,939.14-145,408.72-30,379.26

Finding the Fourth Proportional to 96,939.14, 145,408.72 and 30,379.26

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Solution

The fourth proportional to 96,939.14, 145,408.72 and 30,379.26 is: 45,568.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,939.14 : 145,408.72 = 30,379.26 : x
  2. Step 2: Convert to fraction form
    96,939.14/145,408.72 = 30,379.26/x
  3. Step 3: Cross multiply
    96,939.14x = 145,408.72 × 30,379.26
  4. Step 4: Simplify right side
    96,939.14x = 4,417,409,311.15
  5. Step 5: Solve for x
    x = 4,417,409,311.15/96,939.14
  6. Step 6: Final answer
    x = 45,568.89

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1.5x scale

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.