Home / 234,689.22-323,821.26-139,226.94

Finding the Fourth Proportional to 234,689.22, 323,821.26 and 139,226.94

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Solution

The fourth proportional to 234,689.22, 323,821.26 and 139,226.94 is: 192,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,689.22 : 323,821.26 = 139,226.94 : x
  2. Step 2: Convert to fraction form
    234,689.22/323,821.26 = 139,226.94/x
  3. Step 3: Cross multiply
    234,689.22x = 323,821.26 × 139,226.94
  4. Step 4: Simplify right side
    234,689.22x = 45,084,643,136.74
  5. Step 5: Solve for x
    x = 45,084,643,136.74/234,689.22
  6. Step 6: Final answer
    x = 192,103.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.