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Finding the Fourth Proportional to 234,159.66, 323,119.80 and 137,383.02

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Solution

The fourth proportional to 234,159.66, 323,119.80 and 137,383.02 is: 189,576.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,159.66 : 323,119.80 = 137,383.02 : x
  2. Step 2: Convert to fraction form
    234,159.66/323,119.80 = 137,383.02/x
  3. Step 3: Cross multiply
    234,159.66x = 323,119.80 × 137,383.02
  4. Step 4: Simplify right side
    234,159.66x = 44,391,173,945.80
  5. Step 5: Solve for x
    x = 44,391,173,945.80/234,159.66
  6. Step 6: Final answer
    x = 189,576.52

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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.