Home / 140,664.51-210,841.97-69,481.76

Finding the Fourth Proportional to 140,664.51, 210,841.97 and 69,481.76

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Solution

The fourth proportional to 140,664.51, 210,841.97 and 69,481.76 is: 104,146.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,664.51 : 210,841.97 = 69,481.76 : x
  2. Step 2: Convert to fraction form
    140,664.51/210,841.97 = 69,481.76/x
  3. Step 3: Cross multiply
    140,664.51x = 210,841.97 × 69,481.76
  4. Step 4: Simplify right side
    140,664.51x = 14,649,669,755.85
  5. Step 5: Solve for x
    x = 14,649,669,755.85/140,664.51
  6. Step 6: Final answer
    x = 104,146.17

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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.