Home / 166,388.13-229,662.72-98,428.73

Finding the Fourth Proportional to 166,388.13, 229,662.72 and 98,428.73

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Solution

The fourth proportional to 166,388.13, 229,662.72 and 98,428.73 is: 135,859.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,388.13 : 229,662.72 = 98,428.73 : x
  2. Step 2: Convert to fraction form
    166,388.13/229,662.72 = 98,428.73/x
  3. Step 3: Cross multiply
    166,388.13x = 229,662.72 × 98,428.73
  4. Step 4: Simplify right side
    166,388.13x = 22,605,408,709.63
  5. Step 5: Solve for x
    x = 22,605,408,709.63/166,388.13
  6. Step 6: Final answer
    x = 135,859.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.