Home / 165,961.60-248,942.40-47,636.80

Finding the Fourth Proportional to 165,961.60, 248,942.40 and 47,636.80

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Solution

The fourth proportional to 165,961.60, 248,942.40 and 47,636.80 is: 71,455.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,961.60 : 248,942.40 = 47,636.80 : x
  2. Step 2: Convert to fraction form
    165,961.60/248,942.40 = 47,636.80/x
  3. Step 3: Cross multiply
    165,961.60x = 248,942.40 × 47,636.80
  4. Step 4: Simplify right side
    165,961.60x = 11,858,819,320.32
  5. Step 5: Solve for x
    x = 11,858,819,320.32/165,961.60
  6. Step 6: Final answer
    x = 71,455.20

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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.