Home / 129,324.38-193,986.59-35,830.13

Finding the Fourth Proportional to 129,324.38, 193,986.59 and 35,830.13

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Solution

The fourth proportional to 129,324.38, 193,986.59 and 35,830.13 is: 53,745.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,324.38 : 193,986.59 = 35,830.13 : x
  2. Step 2: Convert to fraction form
    129,324.38/193,986.59 = 35,830.13/x
  3. Step 3: Cross multiply
    129,324.38x = 193,986.59 × 35,830.13
  4. Step 4: Simplify right side
    129,324.38x = 6,950,563,588.87
  5. Step 5: Solve for x
    x = 6,950,563,588.87/129,324.38
  6. Step 6: Final answer
    x = 53,745.19

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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.