Home / 149,480.20-206,274.90-92,890.36

Finding the Fourth Proportional to 149,480.20, 206,274.90 and 92,890.36

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Solution

The fourth proportional to 149,480.20, 206,274.90 and 92,890.36 is: 128,183.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,480.20 : 206,274.90 = 92,890.36 : x
  2. Step 2: Convert to fraction form
    149,480.20/206,274.90 = 92,890.36/x
  3. Step 3: Cross multiply
    149,480.20x = 206,274.90 × 92,890.36
  4. Step 4: Simplify right side
    149,480.20x = 19,160,949,719.96
  5. Step 5: Solve for x
    x = 19,160,949,719.96/149,480.20
  6. Step 6: Final answer
    x = 128,183.86

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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.