Home / 144,986.25-200,080.61-80,465.23

Finding the Fourth Proportional to 144,986.25, 200,080.61 and 80,465.23

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Solution

The fourth proportional to 144,986.25, 200,080.61 and 80,465.23 is: 111,041.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,986.25 : 200,080.61 = 80,465.23 : x
  2. Step 2: Convert to fraction form
    144,986.25/200,080.61 = 80,465.23/x
  3. Step 3: Cross multiply
    144,986.25x = 200,080.61 × 80,465.23
  4. Step 4: Simplify right side
    144,986.25x = 16,099,532,003.15
  5. Step 5: Solve for x
    x = 16,099,532,003.15/144,986.25
  6. Step 6: Final answer
    x = 111,041.78

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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.