Home / 234,736.56-323,977.86-139,295.88

Finding the Fourth Proportional to 234,736.56, 323,977.86 and 139,295.88

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Solution

The fourth proportional to 234,736.56, 323,977.86 and 139,295.88 is: 192,252.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,736.56 : 323,977.86 = 139,295.88 : x
  2. Step 2: Convert to fraction form
    234,736.56/323,977.86 = 139,295.88/x
  3. Step 3: Cross multiply
    234,736.56x = 323,977.86 × 139,295.88
  4. Step 4: Simplify right side
    234,736.56x = 45,128,781,109.22
  5. Step 5: Solve for x
    x = 45,128,781,109.22/234,736.56
  6. Step 6: Final answer
    x = 192,252.89

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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.