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Finding the Fourth Proportional to 144,735.87, 199,741.86 and 80,204.92

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Solution

The fourth proportional to 144,735.87, 199,741.86 and 80,204.92 is: 110,686.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,735.87 : 199,741.86 = 80,204.92 : x
  2. Step 2: Convert to fraction form
    144,735.87/199,741.86 = 80,204.92/x
  3. Step 3: Cross multiply
    144,735.87x = 199,741.86 × 80,204.92
  4. Step 4: Simplify right side
    144,735.87x = 16,020,279,901.95
  5. Step 5: Solve for x
    x = 16,020,279,901.95/144,735.87
  6. Step 6: Final answer
    x = 110,686.31

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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.