Home / 212,770.87-293,620.30-117,286.45

Finding the Fourth Proportional to 212,770.87, 293,620.30 and 117,286.45

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Solution

The fourth proportional to 212,770.87, 293,620.30 and 117,286.45 is: 161,853.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,770.87 : 293,620.30 = 117,286.45 : x
  2. Step 2: Convert to fraction form
    212,770.87/293,620.30 = 117,286.45/x
  3. Step 3: Cross multiply
    212,770.87x = 293,620.30 × 117,286.45
  4. Step 4: Simplify right side
    212,770.87x = 34,437,682,708.74
  5. Step 5: Solve for x
    x = 34,437,682,708.74/212,770.87
  6. Step 6: Final answer
    x = 161,853.37

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1.5x scale

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.