Home / 163,474-243,780.44-161,979.26

Finding the Fourth Proportional to 163,474, 243,780.44 and 161,979.26

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Solution

The fourth proportional to 163,474, 243,780.44 and 161,979.26 is: 241,551.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,474 : 243,780.44 = 161,979.26 : x
  2. Step 2: Convert to fraction form
    163,474/243,780.44 = 161,979.26/x
  3. Step 3: Cross multiply
    163,474x = 243,780.44 × 161,979.26
  4. Step 4: Simplify right side
    163,474x = 39,487,375,273.67
  5. Step 5: Solve for x
    x = 39,487,375,273.67/163,474
  6. Step 6: Final answer
    x = 241,551.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.