Home / 144,975.87-200,078.78-80,451.18

Finding the Fourth Proportional to 144,975.87, 200,078.78 and 80,451.18

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Solution

The fourth proportional to 144,975.87, 200,078.78 and 80,451.18 is: 111,029.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,975.87 : 200,078.78 = 80,451.18 : x
  2. Step 2: Convert to fraction form
    144,975.87/200,078.78 = 80,451.18/x
  3. Step 3: Cross multiply
    144,975.87x = 200,078.78 × 80,451.18
  4. Step 4: Simplify right side
    144,975.87x = 16,096,573,541.70
  5. Step 5: Solve for x
    x = 16,096,573,541.70/144,975.87
  6. Step 6: Final answer
    x = 111,029.33

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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.