Home / 108,062.20-161,996.10-70,640.20

Finding the Fourth Proportional to 108,062.20, 161,996.10 and 70,640.20

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Solution

The fourth proportional to 108,062.20, 161,996.10 and 70,640.20 is: 105,896.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,062.20 : 161,996.10 = 70,640.20 : x
  2. Step 2: Convert to fraction form
    108,062.20/161,996.10 = 70,640.20/x
  3. Step 3: Cross multiply
    108,062.20x = 161,996.10 × 70,640.20
  4. Step 4: Simplify right side
    108,062.20x = 11,443,436,903.22
  5. Step 5: Solve for x
    x = 11,443,436,903.22/108,062.20
  6. Step 6: Final answer
    x = 105,896.76

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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.