Home / 212,659.62-293,470.11-117,166.32

Finding the Fourth Proportional to 212,659.62, 293,470.11 and 117,166.32

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Solution

The fourth proportional to 212,659.62, 293,470.11 and 117,166.32 is: 161,689.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,659.62 : 293,470.11 = 117,166.32 : x
  2. Step 2: Convert to fraction form
    212,659.62/293,470.11 = 117,166.32/x
  3. Step 3: Cross multiply
    212,659.62x = 293,470.11 × 117,166.32
  4. Step 4: Simplify right side
    212,659.62x = 34,384,812,818.70
  5. Step 5: Solve for x
    x = 34,384,812,818.70/212,659.62
  6. Step 6: Final answer
    x = 161,689.43

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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.