Home / 154,617.73-231,660.33-120,870.63

Finding the Fourth Proportional to 154,617.73, 231,660.33 and 120,870.63

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Solution

The fourth proportional to 154,617.73, 231,660.33 and 120,870.63 is: 181,097.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,617.73 : 231,660.33 = 120,870.63 : x
  2. Step 2: Convert to fraction form
    154,617.73/231,660.33 = 120,870.63/x
  3. Step 3: Cross multiply
    154,617.73x = 231,660.33 × 120,870.63
  4. Step 4: Simplify right side
    154,617.73x = 28,000,930,033.11
  5. Step 5: Solve for x
    x = 28,000,930,033.11/154,617.73
  6. Step 6: Final answer
    x = 181,097.80

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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.