Home / 129,739.01-194,619.86-36,245.03

Finding the Fourth Proportional to 129,739.01, 194,619.86 and 36,245.03

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Solution

The fourth proportional to 129,739.01, 194,619.86 and 36,245.03 is: 54,370.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,739.01 : 194,619.86 = 36,245.03 : x
  2. Step 2: Convert to fraction form
    129,739.01/194,619.86 = 36,245.03/x
  3. Step 3: Cross multiply
    129,739.01x = 194,619.86 × 36,245.03
  4. Step 4: Simplify right side
    129,739.01x = 7,054,002,483.07
  5. Step 5: Solve for x
    x = 7,054,002,483.07/129,739.01
  6. Step 6: Final answer
    x = 54,370.71

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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.