Home / 231,544.32-347,082.24-91,401.60

Finding the Fourth Proportional to 231,544.32, 347,082.24 and 91,401.60

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Solution

The fourth proportional to 231,544.32, 347,082.24 and 91,401.60 is: 137,009.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,544.32 : 347,082.24 = 91,401.60 : x
  2. Step 2: Convert to fraction form
    231,544.32/347,082.24 = 91,401.60/x
  3. Step 3: Cross multiply
    231,544.32x = 347,082.24 × 91,401.60
  4. Step 4: Simplify right side
    231,544.32x = 31,723,872,067.58
  5. Step 5: Solve for x
    x = 31,723,872,067.58/231,544.32
  6. Step 6: Final answer
    x = 137,009.93

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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.