Home / 120,010.41-165,608.25-66,285.03

Finding the Fourth Proportional to 120,010.41, 165,608.25 and 66,285.03

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Solution

The fourth proportional to 120,010.41, 165,608.25 and 66,285.03 is: 91,469.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,010.41 : 165,608.25 = 66,285.03 : x
  2. Step 2: Convert to fraction form
    120,010.41/165,608.25 = 66,285.03/x
  3. Step 3: Cross multiply
    120,010.41x = 165,608.25 × 66,285.03
  4. Step 4: Simplify right side
    120,010.41x = 10,977,348,191.96
  5. Step 5: Solve for x
    x = 10,977,348,191.96/120,010.41
  6. Step 6: Final answer
    x = 91,469.97

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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.