Home / 234,722.91-323,908.88-139,172.43

Finding the Fourth Proportional to 234,722.91, 323,908.88 and 139,172.43

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Solution

The fourth proportional to 234,722.91, 323,908.88 and 139,172.43 is: 192,052.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,722.91 : 323,908.88 = 139,172.43 : x
  2. Step 2: Convert to fraction form
    234,722.91/323,908.88 = 139,172.43/x
  3. Step 3: Cross multiply
    234,722.91x = 323,908.88 × 139,172.43
  4. Step 4: Simplify right side
    234,722.91x = 45,079,185,232.32
  5. Step 5: Solve for x
    x = 45,079,185,232.32/234,722.91
  6. Step 6: Final answer
    x = 192,052.77

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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.