Home / 144,288.42-199,114.20-80,626.74

Finding the Fourth Proportional to 144,288.42, 199,114.20 and 80,626.74

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Solution

The fourth proportional to 144,288.42, 199,114.20 and 80,626.74 is: 111,262.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,288.42 : 199,114.20 = 80,626.74 : x
  2. Step 2: Convert to fraction form
    144,288.42/199,114.20 = 80,626.74/x
  3. Step 3: Cross multiply
    144,288.42x = 199,114.20 × 80,626.74
  4. Step 4: Simplify right side
    144,288.42x = 16,053,928,833.71
  5. Step 5: Solve for x
    x = 16,053,928,833.71/144,288.42
  6. Step 6: Final answer
    x = 111,262.77

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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.