Home / 149,082.88-206,029.56-122,182.96

Finding the Fourth Proportional to 149,082.88, 206,029.56 and 122,182.96

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Solution

The fourth proportional to 149,082.88, 206,029.56 and 122,182.96 is: 168,854.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,082.88 : 206,029.56 = 122,182.96 : x
  2. Step 2: Convert to fraction form
    149,082.88/206,029.56 = 122,182.96/x
  3. Step 3: Cross multiply
    149,082.88x = 206,029.56 × 122,182.96
  4. Step 4: Simplify right side
    149,082.88x = 25,173,301,488.30
  5. Step 5: Solve for x
    x = 25,173,301,488.30/149,082.88
  6. Step 6: Final answer
    x = 168,854.41

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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.