Home / 212,927.52-293,857.20-117,442.56

Finding the Fourth Proportional to 212,927.52, 293,857.20 and 117,442.56

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Solution

The fourth proportional to 212,927.52, 293,857.20 and 117,442.56 is: 162,080.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,927.52 : 293,857.20 = 117,442.56 : x
  2. Step 2: Convert to fraction form
    212,927.52/293,857.20 = 117,442.56/x
  3. Step 3: Cross multiply
    212,927.52x = 293,857.20 × 117,442.56
  4. Step 4: Simplify right side
    212,927.52x = 34,511,341,842.43
  5. Step 5: Solve for x
    x = 34,511,341,842.43/212,927.52
  6. Step 6: Final answer
    x = 162,080.23

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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.