Home / 144,986.63-200,081.13-80,465.60

Finding the Fourth Proportional to 144,986.63, 200,081.13 and 80,465.60

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Solution

The fourth proportional to 144,986.63, 200,081.13 and 80,465.60 is: 111,042.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,986.63 : 200,081.13 = 80,465.60 : x
  2. Step 2: Convert to fraction form
    144,986.63/200,081.13 = 80,465.60/x
  3. Step 3: Cross multiply
    144,986.63x = 200,081.13 × 80,465.60
  4. Step 4: Simplify right side
    144,986.63x = 16,099,647,173.72
  5. Step 5: Solve for x
    x = 16,099,647,173.72/144,986.63
  6. Step 6: Final answer
    x = 111,042.29

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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.