Home / 108,559.40-162,839.10-97,845.80

Finding the Fourth Proportional to 108,559.40, 162,839.10 and 97,845.80

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Solution

The fourth proportional to 108,559.40, 162,839.10 and 97,845.80 is: 146,768.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,559.40 : 162,839.10 = 97,845.80 : x
  2. Step 2: Convert to fraction form
    108,559.40/162,839.10 = 97,845.80/x
  3. Step 3: Cross multiply
    108,559.40x = 162,839.10 × 97,845.80
  4. Step 4: Simplify right side
    108,559.40x = 15,933,122,010.78
  5. Step 5: Solve for x
    x = 15,933,122,010.78/108,559.40
  6. Step 6: Final answer
    x = 146,768.70

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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.