Home / 144,222.38-198,897.60-120,103.21

Finding the Fourth Proportional to 144,222.38, 198,897.60 and 120,103.21

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Solution

The fourth proportional to 144,222.38, 198,897.60 and 120,103.21 is: 165,634.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,222.38 : 198,897.60 = 120,103.21 : x
  2. Step 2: Convert to fraction form
    144,222.38/198,897.60 = 120,103.21/x
  3. Step 3: Cross multiply
    144,222.38x = 198,897.60 × 120,103.21
  4. Step 4: Simplify right side
    144,222.38x = 23,888,239,273.67
  5. Step 5: Solve for x
    x = 23,888,239,273.67/144,222.38
  6. Step 6: Final answer
    x = 165,634.76

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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.