Home / 140,060.77-210,091.03-51,321.22

Finding the Fourth Proportional to 140,060.77, 210,091.03 and 51,321.22

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Solution

The fourth proportional to 140,060.77, 210,091.03 and 51,321.22 is: 76,981.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,060.77 : 210,091.03 = 51,321.22 : x
  2. Step 2: Convert to fraction form
    140,060.77/210,091.03 = 51,321.22/x
  3. Step 3: Cross multiply
    140,060.77x = 210,091.03 × 51,321.22
  4. Step 4: Simplify right side
    140,060.77x = 10,782,127,970.66
  5. Step 5: Solve for x
    x = 10,782,127,970.66/140,060.77
  6. Step 6: Final answer
    x = 76,981.78

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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.