Home / 212,787.20-293,634.56-117,293.76

Finding the Fourth Proportional to 212,787.20, 293,634.56 and 117,293.76

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Solution

The fourth proportional to 212,787.20, 293,634.56 and 117,293.76 is: 161,858.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,787.20 : 293,634.56 = 117,293.76 : x
  2. Step 2: Convert to fraction form
    212,787.20/293,634.56 = 117,293.76/x
  3. Step 3: Cross multiply
    212,787.20x = 293,634.56 × 117,293.76
  4. Step 4: Simplify right side
    212,787.20x = 34,441,501,608.35
  5. Step 5: Solve for x
    x = 34,441,501,608.35/212,787.20
  6. Step 6: Final answer
    x = 161,858.90

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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.