Home / 122,441.00-168,912.88-82,112.72

Finding the Fourth Proportional to 122,441.00, 168,912.88 and 82,112.72

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Solution

The fourth proportional to 122,441.00, 168,912.88 and 82,112.72 is: 113,278.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,441.00 : 168,912.88 = 82,112.72 : x
  2. Step 2: Convert to fraction form
    122,441.00/168,912.88 = 82,112.72/x
  3. Step 3: Cross multiply
    122,441.00x = 168,912.88 × 82,112.72
  4. Step 4: Simplify right side
    122,441.00x = 13,869,894,969.99
  5. Step 5: Solve for x
    x = 13,869,894,969.99/122,441.00
  6. Step 6: Final answer
    x = 113,278.20

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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.