Home / 167,357.85-231,043.91-129,033.32

Finding the Fourth Proportional to 167,357.85, 231,043.91 and 129,033.32

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Solution

The fourth proportional to 167,357.85, 231,043.91 and 129,033.32 is: 178,135.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,357.85 : 231,043.91 = 129,033.32 : x
  2. Step 2: Convert to fraction form
    167,357.85/231,043.91 = 129,033.32/x
  3. Step 3: Cross multiply
    167,357.85x = 231,043.91 × 129,033.32
  4. Step 4: Simplify right side
    167,357.85x = 29,812,360,972.70
  5. Step 5: Solve for x
    x = 29,812,360,972.70/167,357.85
  6. Step 6: Final answer
    x = 178,135.42

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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.