Home / 212,786.50-293,647.38-117,296.62

Finding the Fourth Proportional to 212,786.50, 293,647.38 and 117,296.62

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Solution

The fourth proportional to 212,786.50, 293,647.38 and 117,296.62 is: 161,870.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,786.50 : 293,647.38 = 117,296.62 : x
  2. Step 2: Convert to fraction form
    212,786.50/293,647.38 = 117,296.62/x
  3. Step 3: Cross multiply
    212,786.50x = 293,647.38 × 117,296.62
  4. Step 4: Simplify right side
    212,786.50x = 34,443,845,145.86
  5. Step 5: Solve for x
    x = 34,443,845,145.86/212,786.50
  6. Step 6: Final answer
    x = 161,870.44

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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.