Home / 140,414.30-210,621.45-122,918.30

Finding the Fourth Proportional to 140,414.30, 210,621.45 and 122,918.30

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Solution

The fourth proportional to 140,414.30, 210,621.45 and 122,918.30 is: 184,377.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,414.30 : 210,621.45 = 122,918.30 : x
  2. Step 2: Convert to fraction form
    140,414.30/210,621.45 = 122,918.30/x
  3. Step 3: Cross multiply
    140,414.30x = 210,621.45 × 122,918.30
  4. Step 4: Simplify right side
    140,414.30x = 25,889,230,577.54
  5. Step 5: Solve for x
    x = 25,889,230,577.54/140,414.30
  6. Step 6: Final answer
    x = 184,377.45

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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.