Home / 144,743.46-199,753.68-80,219.76

Finding the Fourth Proportional to 144,743.46, 199,753.68 and 80,219.76

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Solution

The fourth proportional to 144,743.46, 199,753.68 and 80,219.76 is: 110,707.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,743.46 : 199,753.68 = 80,219.76 : x
  2. Step 2: Convert to fraction form
    144,743.46/199,753.68 = 80,219.76/x
  3. Step 3: Cross multiply
    144,743.46x = 199,753.68 × 80,219.76
  4. Step 4: Simplify right side
    144,743.46x = 16,024,192,268.72
  5. Step 5: Solve for x
    x = 16,024,192,268.72/144,743.46
  6. Step 6: Final answer
    x = 110,707.54

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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.