Home / 165,469.20-248,162.79-47,141.56

Finding the Fourth Proportional to 165,469.20, 248,162.79 and 47,141.56

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Solution

The fourth proportional to 165,469.20, 248,162.79 and 47,141.56 is: 70,700.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,469.20 : 248,162.79 = 47,141.56 : x
  2. Step 2: Convert to fraction form
    165,469.20/248,162.79 = 47,141.56/x
  3. Step 3: Cross multiply
    165,469.20x = 248,162.79 × 47,141.56
  4. Step 4: Simplify right side
    165,469.20x = 11,698,781,276.37
  5. Step 5: Solve for x
    x = 11,698,781,276.37/165,469.20
  6. Step 6: Final answer
    x = 70,700.66

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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.