Home / 108,010.80-161,732.70-76,249.35

Finding the Fourth Proportional to 108,010.80, 161,732.70 and 76,249.35

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Solution

The fourth proportional to 108,010.80, 161,732.70 and 76,249.35 is: 114,173.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,010.80 : 161,732.70 = 76,249.35 : x
  2. Step 2: Convert to fraction form
    108,010.80/161,732.70 = 76,249.35/x
  3. Step 3: Cross multiply
    108,010.80x = 161,732.70 × 76,249.35
  4. Step 4: Simplify right side
    108,010.80x = 12,332,013,248.75
  5. Step 5: Solve for x
    x = 12,332,013,248.75/108,010.80
  6. Step 6: Final answer
    x = 114,173.89

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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.