Home / 231,172.24-346,858.53-81,519.46

Finding the Fourth Proportional to 231,172.24, 346,858.53 and 81,519.46

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Solution

The fourth proportional to 231,172.24, 346,858.53 and 81,519.46 is: 122,314.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,172.24 : 346,858.53 = 81,519.46 : x
  2. Step 2: Convert to fraction form
    231,172.24/346,858.53 = 81,519.46/x
  3. Step 3: Cross multiply
    231,172.24x = 346,858.53 × 81,519.46
  4. Step 4: Simplify right side
    231,172.24x = 28,275,720,061.99
  5. Step 5: Solve for x
    x = 28,275,720,061.99/231,172.24
  6. Step 6: Final answer
    x = 122,314.51

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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.