Home / 129,669.67-194,171.05-104,249.71

Finding the Fourth Proportional to 129,669.67, 194,171.05 and 104,249.71

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Solution

The fourth proportional to 129,669.67, 194,171.05 and 104,249.71 is: 156,106.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,669.67 : 194,171.05 = 104,249.71 : x
  2. Step 2: Convert to fraction form
    129,669.67/194,171.05 = 104,249.71/x
  3. Step 3: Cross multiply
    129,669.67x = 194,171.05 × 104,249.71
  4. Step 4: Simplify right side
    129,669.67x = 20,242,275,652.90
  5. Step 5: Solve for x
    x = 20,242,275,652.90/129,669.67
  6. Step 6: Final answer
    x = 156,106.48

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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.