Home / 212,787.52-293,659.20-117,314.56

Finding the Fourth Proportional to 212,787.52, 293,659.20 and 117,314.56

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Solution

The fourth proportional to 212,787.52, 293,659.20 and 117,314.56 is: 161,900.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,787.52 : 293,659.20 = 117,314.56 : x
  2. Step 2: Convert to fraction form
    212,787.52/293,659.20 = 117,314.56/x
  3. Step 3: Cross multiply
    212,787.52x = 293,659.20 × 117,314.56
  4. Step 4: Simplify right side
    212,787.52x = 34,450,499,837.95
  5. Step 5: Solve for x
    x = 34,450,499,837.95/212,787.52
  6. Step 6: Final answer
    x = 161,900.94

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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.