Home / 202,992.22-280,155.44-122,463.23

Finding the Fourth Proportional to 202,992.22, 280,155.44 and 122,463.23

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Solution

The fourth proportional to 202,992.22, 280,155.44 and 122,463.23 is: 169,015.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,992.22 : 280,155.44 = 122,463.23 : x
  2. Step 2: Convert to fraction form
    202,992.22/280,155.44 = 122,463.23/x
  3. Step 3: Cross multiply
    202,992.22x = 280,155.44 × 122,463.23
  4. Step 4: Simplify right side
    202,992.22x = 34,308,740,172.54
  5. Step 5: Solve for x
    x = 34,308,740,172.54/202,992.22
  6. Step 6: Final answer
    x = 169,015.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.