Home / 212,867.68-293,757.09-117,374.61

Finding the Fourth Proportional to 212,867.68, 293,757.09 and 117,374.61

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Solution

The fourth proportional to 212,867.68, 293,757.09 and 117,374.61 is: 161,976.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,867.68 : 293,757.09 = 117,374.61 : x
  2. Step 2: Convert to fraction form
    212,867.68/293,757.09 = 117,374.61/x
  3. Step 3: Cross multiply
    212,867.68x = 293,757.09 × 117,374.61
  4. Step 4: Simplify right side
    212,867.68x = 34,479,623,873.48
  5. Step 5: Solve for x
    x = 34,479,623,873.48/212,867.68
  6. Step 6: Final answer
    x = 161,976.79

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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.