Home / 212,876.73-293,769.39-117,383.79

Finding the Fourth Proportional to 212,876.73, 293,769.39 and 117,383.79

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Solution

The fourth proportional to 212,876.73, 293,769.39 and 117,383.79 is: 161,989.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,876.73 : 293,769.39 = 117,383.79 : x
  2. Step 2: Convert to fraction form
    212,876.73/293,769.39 = 117,383.79/x
  3. Step 3: Cross multiply
    212,876.73x = 293,769.39 × 117,383.79
  4. Step 4: Simplify right side
    212,876.73x = 34,483,764,384.19
  5. Step 5: Solve for x
    x = 34,483,764,384.19/212,876.73
  6. Step 6: Final answer
    x = 161,989.36

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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.