Home / 108,331.40-162,497.10-100,458.20

Finding the Fourth Proportional to 108,331.40, 162,497.10 and 100,458.20

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Solution

The fourth proportional to 108,331.40, 162,497.10 and 100,458.20 is: 150,687.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,331.40 : 162,497.10 = 100,458.20 : x
  2. Step 2: Convert to fraction form
    108,331.40/162,497.10 = 100,458.20/x
  3. Step 3: Cross multiply
    108,331.40x = 162,497.10 × 100,458.20
  4. Step 4: Simplify right side
    108,331.40x = 16,324,166,171.22
  5. Step 5: Solve for x
    x = 16,324,166,171.22/108,331.40
  6. Step 6: Final answer
    x = 150,687.30

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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.