Home / 140,181.92-210,147.84-51,414.72

Finding the Fourth Proportional to 140,181.92, 210,147.84 and 51,414.72

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Solution

The fourth proportional to 140,181.92, 210,147.84 and 51,414.72 is: 77,076.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,181.92 : 210,147.84 = 51,414.72 : x
  2. Step 2: Convert to fraction form
    140,181.92/210,147.84 = 51,414.72/x
  3. Step 3: Cross multiply
    140,181.92x = 210,147.84 × 51,414.72
  4. Step 4: Simplify right side
    140,181.92x = 10,804,692,352.20
  5. Step 5: Solve for x
    x = 10,804,692,352.20/140,181.92
  6. Step 6: Final answer
    x = 77,076.22

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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.