Home / 132,969.42-199,408.14-38,173.91

Finding the Fourth Proportional to 132,969.42, 199,408.14 and 38,173.91

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Solution

The fourth proportional to 132,969.42, 199,408.14 and 38,173.91 is: 57,247.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,969.42 : 199,408.14 = 38,173.91 : x
  2. Step 2: Convert to fraction form
    132,969.42/199,408.14 = 38,173.91/x
  3. Step 3: Cross multiply
    132,969.42x = 199,408.14 × 38,173.91
  4. Step 4: Simplify right side
    132,969.42x = 7,612,187,392.59
  5. Step 5: Solve for x
    x = 7,612,187,392.59/132,969.42
  6. Step 6: Final answer
    x = 57,247.65

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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.