Home / 165,606.20-248,285.64-53,222.30

Finding the Fourth Proportional to 165,606.20, 248,285.64 and 53,222.30

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Solution

The fourth proportional to 165,606.20, 248,285.64 and 53,222.30 is: 79,793.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,606.20 : 248,285.64 = 53,222.30 : x
  2. Step 2: Convert to fraction form
    165,606.20/248,285.64 = 53,222.30/x
  3. Step 3: Cross multiply
    165,606.20x = 248,285.64 × 53,222.30
  4. Step 4: Simplify right side
    165,606.20x = 13,214,332,817.77
  5. Step 5: Solve for x
    x = 13,214,332,817.77/165,606.20
  6. Step 6: Final answer
    x = 79,793.71

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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.