Home / 161,754.20-242,660.48-55,132.28

Finding the Fourth Proportional to 161,754.20, 242,660.48 and 55,132.28

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Solution

The fourth proportional to 161,754.20, 242,660.48 and 55,132.28 is: 82,708.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,754.20 : 242,660.48 = 55,132.28 : x
  2. Step 2: Convert to fraction form
    161,754.20/242,660.48 = 55,132.28/x
  3. Step 3: Cross multiply
    161,754.20x = 242,660.48 × 55,132.28
  4. Step 4: Simplify right side
    161,754.20x = 13,378,425,528.29
  5. Step 5: Solve for x
    x = 13,378,425,528.29/161,754.20
  6. Step 6: Final answer
    x = 82,708.37

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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.