Home / 199,814.21-299,714.39-50,055.78

Finding the Fourth Proportional to 199,814.21, 299,714.39 and 50,055.78

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Solution

The fourth proportional to 199,814.21, 299,714.39 and 50,055.78 is: 75,081.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,814.21 : 299,714.39 = 50,055.78 : x
  2. Step 2: Convert to fraction form
    199,814.21/299,714.39 = 50,055.78/x
  3. Step 3: Cross multiply
    199,814.21x = 299,714.39 × 50,055.78
  4. Step 4: Simplify right side
    199,814.21x = 15,002,437,318.40
  5. Step 5: Solve for x
    x = 15,002,437,318.40/199,814.21
  6. Step 6: Final answer
    x = 75,081.94

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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.