Home / 231,165.76-346,797.12-131,372.16

Finding the Fourth Proportional to 231,165.76, 346,797.12 and 131,372.16

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Solution

The fourth proportional to 231,165.76, 346,797.12 and 131,372.16 is: 197,085.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,165.76 : 346,797.12 = 131,372.16 : x
  2. Step 2: Convert to fraction form
    231,165.76/346,797.12 = 131,372.16/x
  3. Step 3: Cross multiply
    231,165.76x = 346,797.12 × 131,372.16
  4. Step 4: Simplify right side
    231,165.76x = 45,559,486,736.18
  5. Step 5: Solve for x
    x = 45,559,486,736.18/231,165.76
  6. Step 6: Final answer
    x = 197,085.79

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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.