Home / 144,814.88-199,834.40-80,283.52

Finding the Fourth Proportional to 144,814.88, 199,834.40 and 80,283.52

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Solution

The fourth proportional to 144,814.88, 199,834.40 and 80,283.52 is: 110,785.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,814.88 : 199,834.40 = 80,283.52 : x
  2. Step 2: Convert to fraction form
    144,814.88/199,834.40 = 80,283.52/x
  3. Step 3: Cross multiply
    144,814.88x = 199,834.40 × 80,283.52
  4. Step 4: Simplify right side
    144,814.88x = 16,043,409,049.09
  5. Step 5: Solve for x
    x = 16,043,409,049.09/144,814.88
  6. Step 6: Final answer
    x = 110,785.64

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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.