Home / 143,009.54-214,515.83-43,170.56

Finding the Fourth Proportional to 143,009.54, 214,515.83 and 43,170.56

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Solution

The fourth proportional to 143,009.54, 214,515.83 and 43,170.56 is: 64,756.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,009.54 : 214,515.83 = 43,170.56 : x
  2. Step 2: Convert to fraction form
    143,009.54/214,515.83 = 43,170.56/x
  3. Step 3: Cross multiply
    143,009.54x = 214,515.83 × 43,170.56
  4. Step 4: Simplify right side
    143,009.54x = 9,260,767,221.53
  5. Step 5: Solve for x
    x = 9,260,767,221.53/143,009.54
  6. Step 6: Final answer
    x = 64,756.29

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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.