Home / 231,186.60-346,710.78-120,318.12

Finding the Fourth Proportional to 231,186.60, 346,710.78 and 120,318.12

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Solution

The fourth proportional to 231,186.60, 346,710.78 and 120,318.12 is: 180,441.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,186.60 : 346,710.78 = 120,318.12 : x
  2. Step 2: Convert to fraction form
    231,186.60/346,710.78 = 120,318.12/x
  3. Step 3: Cross multiply
    231,186.60x = 346,710.78 × 120,318.12
  4. Step 4: Simplify right side
    231,186.60x = 41,715,589,233.33
  5. Step 5: Solve for x
    x = 41,715,589,233.33/231,186.60
  6. Step 6: Final answer
    x = 180,441.21

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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.