Home / 140,160.15-210,267.92-51,414.42

Finding the Fourth Proportional to 140,160.15, 210,267.92 and 51,414.42

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Solution

The fourth proportional to 140,160.15, 210,267.92 and 51,414.42 is: 77,131.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,160.15 : 210,267.92 = 51,414.42 : x
  2. Step 2: Convert to fraction form
    140,160.15/210,267.92 = 51,414.42/x
  3. Step 3: Cross multiply
    140,160.15x = 210,267.92 × 51,414.42
  4. Step 4: Simplify right side
    140,160.15x = 10,810,802,894.33
  5. Step 5: Solve for x
    x = 10,810,802,894.33/140,160.15
  6. Step 6: Final answer
    x = 77,131.79

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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.