Home / 212,786.38-293,647.18-117,296.50

Finding the Fourth Proportional to 212,786.38, 293,647.18 and 117,296.50

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Solution

The fourth proportional to 212,786.38, 293,647.18 and 117,296.50 is: 161,870.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,786.38 : 293,647.18 = 117,296.50 : x
  2. Step 2: Convert to fraction form
    212,786.38/293,647.18 = 117,296.50/x
  3. Step 3: Cross multiply
    212,786.38x = 293,647.18 × 117,296.50
  4. Step 4: Simplify right side
    212,786.38x = 34,443,786,448.87
  5. Step 5: Solve for x
    x = 34,443,786,448.87/212,786.38
  6. Step 6: Final answer
    x = 161,870.26

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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.