Home / 143,194.58-214,476.03-89,712.44

Finding the Fourth Proportional to 143,194.58, 214,476.03 and 89,712.44

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Solution

The fourth proportional to 143,194.58, 214,476.03 and 89,712.44 is: 134,370.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,194.58 : 214,476.03 = 89,712.44 : x
  2. Step 2: Convert to fraction form
    143,194.58/214,476.03 = 89,712.44/x
  3. Step 3: Cross multiply
    143,194.58x = 214,476.03 × 89,712.44
  4. Step 4: Simplify right side
    143,194.58x = 19,241,166,900.43
  5. Step 5: Solve for x
    x = 19,241,166,900.43/143,194.58
  6. Step 6: Final answer
    x = 134,370.78

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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.