Home / 212,869.62-293,753.79-117,376.29

Finding the Fourth Proportional to 212,869.62, 293,753.79 and 117,376.29

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Solution

The fourth proportional to 212,869.62, 293,753.79 and 117,376.29 is: 161,975.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,869.62 : 293,753.79 = 117,376.29 : x
  2. Step 2: Convert to fraction form
    212,869.62/293,753.79 = 117,376.29/x
  3. Step 3: Cross multiply
    212,869.62x = 293,753.79 × 117,376.29
  4. Step 4: Simplify right side
    212,869.62x = 34,479,730,043.64
  5. Step 5: Solve for x
    x = 34,479,730,043.64/212,869.62
  6. Step 6: Final answer
    x = 161,975.81

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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.