Home / 132,002.70-198,004.05-82,236.30

Finding the Fourth Proportional to 132,002.70, 198,004.05 and 82,236.30

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Solution

The fourth proportional to 132,002.70, 198,004.05 and 82,236.30 is: 123,354.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,002.70 : 198,004.05 = 82,236.30 : x
  2. Step 2: Convert to fraction form
    132,002.70/198,004.05 = 82,236.30/x
  3. Step 3: Cross multiply
    132,002.70x = 198,004.05 × 82,236.30
  4. Step 4: Simplify right side
    132,002.70x = 16,283,120,457.02
  5. Step 5: Solve for x
    x = 16,283,120,457.02/132,002.70
  6. Step 6: Final answer
    x = 123,354.45

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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.