Home / 108,025.80-162,038.70-68,167.73

Finding the Fourth Proportional to 108,025.80, 162,038.70 and 68,167.73

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Solution

The fourth proportional to 108,025.80, 162,038.70 and 68,167.73 is: 102,251.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,025.80 : 162,038.70 = 68,167.73 : x
  2. Step 2: Convert to fraction form
    108,025.80/162,038.70 = 68,167.73/x
  3. Step 3: Cross multiply
    108,025.80x = 162,038.70 × 68,167.73
  4. Step 4: Simplify right side
    108,025.80x = 11,045,810,351.15
  5. Step 5: Solve for x
    x = 11,045,810,351.15/108,025.80
  6. Step 6: Final answer
    x = 102,251.60

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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.