Home / 154,616.73-231,658.83-120,869.63

Finding the Fourth Proportional to 154,616.73, 231,658.83 and 120,869.63

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Solution

The fourth proportional to 154,616.73, 231,658.83 and 120,869.63 is: 181,096.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,616.73 : 231,658.83 = 120,869.63 : x
  2. Step 2: Convert to fraction form
    154,616.73/231,658.83 = 120,869.63/x
  3. Step 3: Cross multiply
    154,616.73x = 231,658.83 × 120,869.63
  4. Step 4: Simplify right side
    154,616.73x = 28,000,515,910.04
  5. Step 5: Solve for x
    x = 28,000,515,910.04/154,616.73
  6. Step 6: Final answer
    x = 181,096.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.