Home / 212,780.48-293,650.20-117,286.96

Finding the Fourth Proportional to 212,780.48, 293,650.20 and 117,286.96

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Solution

The fourth proportional to 212,780.48, 293,650.20 and 117,286.96 is: 161,863.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,780.48 : 293,650.20 = 117,286.96 : x
  2. Step 2: Convert to fraction form
    212,780.48/293,650.20 = 117,286.96/x
  3. Step 3: Cross multiply
    212,780.48x = 293,650.20 × 117,286.96
  4. Step 4: Simplify right side
    212,780.48x = 34,441,339,261.39
  5. Step 5: Solve for x
    x = 34,441,339,261.39/212,780.48
  6. Step 6: Final answer
    x = 161,863.25

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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.