Home / 212,872.86-293,757.84-117,383.58

Finding the Fourth Proportional to 212,872.86, 293,757.84 and 117,383.58

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Solution

The fourth proportional to 212,872.86, 293,757.84 and 117,383.58 is: 161,985.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,872.86 : 293,757.84 = 117,383.58 : x
  2. Step 2: Convert to fraction form
    212,872.86/293,757.84 = 117,383.58/x
  3. Step 3: Cross multiply
    212,872.86x = 293,757.84 × 117,383.58
  4. Step 4: Simplify right side
    212,872.86x = 34,482,346,912.27
  5. Step 5: Solve for x
    x = 34,482,346,912.27/212,872.86
  6. Step 6: Final answer
    x = 161,985.64

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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.