Home / 167,414.18-231,033.26-90,934.01

Finding the Fourth Proportional to 167,414.18, 231,033.26 and 90,934.01

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Solution

The fourth proportional to 167,414.18, 231,033.26 and 90,934.01 is: 125,489.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,414.18 : 231,033.26 = 90,934.01 : x
  2. Step 2: Convert to fraction form
    167,414.18/231,033.26 = 90,934.01/x
  3. Step 3: Cross multiply
    167,414.18x = 231,033.26 × 90,934.01
  4. Step 4: Simplify right side
    167,414.18x = 21,008,779,165.34
  5. Step 5: Solve for x
    x = 21,008,779,165.34/167,414.18
  6. Step 6: Final answer
    x = 125,489.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.