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Finding the Fourth Proportional to 144,285.89, 199,114.10 and 80,623.73

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Solution

The fourth proportional to 144,285.89, 199,114.10 and 80,623.73 is: 111,260.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,285.89 : 199,114.10 = 80,623.73 : x
  2. Step 2: Convert to fraction form
    144,285.89/199,114.10 = 80,623.73/x
  3. Step 3: Cross multiply
    144,285.89x = 199,114.10 × 80,623.73
  4. Step 4: Simplify right side
    144,285.89x = 16,053,322,136.94
  5. Step 5: Solve for x
    x = 16,053,322,136.94/144,285.89
  6. Step 6: Final answer
    x = 111,260.52

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1.5x scale

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.