Home / 108,536.70-162,805.05-73,107.30

Finding the Fourth Proportional to 108,536.70, 162,805.05 and 73,107.30

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Solution

The fourth proportional to 108,536.70, 162,805.05 and 73,107.30 is: 109,660.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,536.70 : 162,805.05 = 73,107.30 : x
  2. Step 2: Convert to fraction form
    108,536.70/162,805.05 = 73,107.30/x
  3. Step 3: Cross multiply
    108,536.70x = 162,805.05 × 73,107.30
  4. Step 4: Simplify right side
    108,536.70x = 11,902,237,631.87
  5. Step 5: Solve for x
    x = 11,902,237,631.87/108,536.70
  6. Step 6: Final answer
    x = 109,660.95

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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.