Home / 140,006.56-210,009.92-51,221.60

Finding the Fourth Proportional to 140,006.56, 210,009.92 and 51,221.60

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Solution

The fourth proportional to 140,006.56, 210,009.92 and 51,221.60 is: 76,832.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,006.56 : 210,009.92 = 51,221.60 : x
  2. Step 2: Convert to fraction form
    140,006.56/210,009.92 = 51,221.60/x
  3. Step 3: Cross multiply
    140,006.56x = 210,009.92 × 51,221.60
  4. Step 4: Simplify right side
    140,006.56x = 10,757,044,118.27
  5. Step 5: Solve for x
    x = 10,757,044,118.27/140,006.56
  6. Step 6: Final answer
    x = 76,832.43

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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.