Home / 212,405.28-293,118.60-116,912.04

Finding the Fourth Proportional to 212,405.28, 293,118.60 and 116,912.04

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Solution

The fourth proportional to 212,405.28, 293,118.60 and 116,912.04 is: 161,338.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,405.28 : 293,118.60 = 116,912.04 : x
  2. Step 2: Convert to fraction form
    212,405.28/293,118.60 = 116,912.04/x
  3. Step 3: Cross multiply
    212,405.28x = 293,118.60 × 116,912.04
  4. Step 4: Simplify right side
    212,405.28x = 34,269,093,487.94
  5. Step 5: Solve for x
    x = 34,269,093,487.94/212,405.28
  6. Step 6: Final answer
    x = 161,338.24

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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.