Home / 144,229.68-199,037.39-80,569.89

Finding the Fourth Proportional to 144,229.68, 199,037.39 and 80,569.89

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Solution

The fourth proportional to 144,229.68, 199,037.39 and 80,569.89 is: 111,186.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,229.68 : 199,037.39 = 80,569.89 : x
  2. Step 2: Convert to fraction form
    144,229.68/199,037.39 = 80,569.89/x
  3. Step 3: Cross multiply
    144,229.68x = 199,037.39 × 80,569.89
  4. Step 4: Simplify right side
    144,229.68x = 16,036,420,215.34
  5. Step 5: Solve for x
    x = 16,036,420,215.34/144,229.68
  6. Step 6: Final answer
    x = 111,186.69

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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.