Home / 161,768.52-242,578.46-55,109.07

Finding the Fourth Proportional to 161,768.52, 242,578.46 and 55,109.07

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Solution

The fourth proportional to 161,768.52, 242,578.46 and 55,109.07 is: 82,638.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,768.52 : 242,578.46 = 55,109.07 : x
  2. Step 2: Convert to fraction form
    161,768.52/242,578.46 = 55,109.07/x
  3. Step 3: Cross multiply
    161,768.52x = 242,578.46 × 55,109.07
  4. Step 4: Simplify right side
    161,768.52x = 13,368,273,057.09
  5. Step 5: Solve for x
    x = 13,368,273,057.09/161,768.52
  6. Step 6: Final answer
    x = 82,638.28

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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.