Home / 214,869.96-322,166.70-140,911.56

Finding the Fourth Proportional to 214,869.96, 322,166.70 and 140,911.56

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Solution

The fourth proportional to 214,869.96, 322,166.70 and 140,911.56 is: 211,276.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,869.96 : 322,166.70 = 140,911.56 : x
  2. Step 2: Convert to fraction form
    214,869.96/322,166.70 = 140,911.56/x
  3. Step 3: Cross multiply
    214,869.96x = 322,166.70 × 140,911.56
  4. Step 4: Simplify right side
    214,869.96x = 45,397,012,277.05
  5. Step 5: Solve for x
    x = 45,397,012,277.05/214,869.96
  6. Step 6: Final answer
    x = 211,276.68

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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.