Home / 154,477.80-231,716.70-107,238.60

Finding the Fourth Proportional to 154,477.80, 231,716.70 and 107,238.60

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Solution

The fourth proportional to 154,477.80, 231,716.70 and 107,238.60 is: 160,857.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,477.80 : 231,716.70 = 107,238.60 : x
  2. Step 2: Convert to fraction form
    154,477.80/231,716.70 = 107,238.60/x
  3. Step 3: Cross multiply
    154,477.80x = 231,716.70 × 107,238.60
  4. Step 4: Simplify right side
    154,477.80x = 24,848,974,504.62
  5. Step 5: Solve for x
    x = 24,848,974,504.62/154,477.80
  6. Step 6: Final answer
    x = 160,857.90

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1.5x scale

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.