Home / 212,789.38-293,651.32-117,299.50

Finding the Fourth Proportional to 212,789.38, 293,651.32 and 117,299.50

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Solution

The fourth proportional to 212,789.38, 293,651.32 and 117,299.50 is: 161,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,789.38 : 293,651.32 = 117,299.50 : x
  2. Step 2: Convert to fraction form
    212,789.38/293,651.32 = 117,299.50/x
  3. Step 3: Cross multiply
    212,789.38x = 293,651.32 × 117,299.50
  4. Step 4: Simplify right side
    212,789.38x = 34,445,153,010.34
  5. Step 5: Solve for x
    x = 34,445,153,010.34/212,789.38
  6. Step 6: Final answer
    x = 161,874.40

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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.