Home / 144,330.88-199,180.77-80,668.84

Finding the Fourth Proportional to 144,330.88, 199,180.77 and 80,668.84

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Solution

The fourth proportional to 144,330.88, 199,180.77 and 80,668.84 is: 111,325.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,330.88 : 199,180.77 = 80,668.84 : x
  2. Step 2: Convert to fraction form
    144,330.88/199,180.77 = 80,668.84/x
  3. Step 3: Cross multiply
    144,330.88x = 199,180.77 × 80,668.84
  4. Step 4: Simplify right side
    144,330.88x = 16,067,681,666.21
  5. Step 5: Solve for x
    x = 16,067,681,666.21/144,330.88
  6. Step 6: Final answer
    x = 111,325.32

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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.