Home / 108,218.54-162,364.26-68,191.04

Finding the Fourth Proportional to 108,218.54, 162,364.26 and 68,191.04

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Solution

The fourth proportional to 108,218.54, 162,364.26 and 68,191.04 is: 102,309.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,218.54 : 162,364.26 = 68,191.04 : x
  2. Step 2: Convert to fraction form
    108,218.54/162,364.26 = 68,191.04/x
  3. Step 3: Cross multiply
    108,218.54x = 162,364.26 × 68,191.04
  4. Step 4: Simplify right side
    108,218.54x = 11,071,787,748.23
  5. Step 5: Solve for x
    x = 11,071,787,748.23/108,218.54
  6. Step 6: Final answer
    x = 102,309.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.