Home / 161,542.22-242,313.40-72,691.94

Finding the Fourth Proportional to 161,542.22, 242,313.40 and 72,691.94

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Solution

The fourth proportional to 161,542.22, 242,313.40 and 72,691.94 is: 109,037.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,542.22 : 242,313.40 = 72,691.94 : x
  2. Step 2: Convert to fraction form
    161,542.22/242,313.40 = 72,691.94/x
  3. Step 3: Cross multiply
    161,542.22x = 242,313.40 × 72,691.94
  4. Step 4: Simplify right side
    161,542.22x = 17,614,231,134.00
  5. Step 5: Solve for x
    x = 17,614,231,134.00/161,542.22
  6. Step 6: Final answer
    x = 109,037.94

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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.