Home / 149,601.30-206,468.99-85,951.41

Finding the Fourth Proportional to 149,601.30, 206,468.99 and 85,951.41

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Solution

The fourth proportional to 149,601.30, 206,468.99 and 85,951.41 is: 118,623.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,601.30 : 206,468.99 = 85,951.41 : x
  2. Step 2: Convert to fraction form
    149,601.30/206,468.99 = 85,951.41/x
  3. Step 3: Cross multiply
    149,601.30x = 206,468.99 × 85,951.41
  4. Step 4: Simplify right side
    149,601.30x = 17,746,300,811.78
  5. Step 5: Solve for x
    x = 17,746,300,811.78/149,601.30
  6. Step 6: Final answer
    x = 118,623.97

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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.