Home / 144,682.28-199,651.87-80,147.15

Finding the Fourth Proportional to 144,682.28, 199,651.87 and 80,147.15

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Solution

The fourth proportional to 144,682.28, 199,651.87 and 80,147.15 is: 110,597.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,682.28 : 199,651.87 = 80,147.15 : x
  2. Step 2: Convert to fraction form
    144,682.28/199,651.87 = 80,147.15/x
  3. Step 3: Cross multiply
    144,682.28x = 199,651.87 × 80,147.15
  4. Step 4: Simplify right side
    144,682.28x = 16,001,528,372.67
  5. Step 5: Solve for x
    x = 16,001,528,372.67/144,682.28
  6. Step 6: Final answer
    x = 110,597.71

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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.