Home / 214,868.96-322,165.20-140,910.56

Finding the Fourth Proportional to 214,868.96, 322,165.20 and 140,910.56

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Solution

The fourth proportional to 214,868.96, 322,165.20 and 140,910.56 is: 211,275.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,868.96 : 322,165.20 = 140,910.56 : x
  2. Step 2: Convert to fraction form
    214,868.96/322,165.20 = 140,910.56/x
  3. Step 3: Cross multiply
    214,868.96x = 322,165.20 × 140,910.56
  4. Step 4: Simplify right side
    214,868.96x = 45,396,478,744.51
  5. Step 5: Solve for x
    x = 45,396,478,744.51/214,868.96
  6. Step 6: Final answer
    x = 211,275.18

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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.