Home / 165,770.60-248,688.30-71,000.60

Finding the Fourth Proportional to 165,770.60, 248,688.30 and 71,000.60

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Solution

The fourth proportional to 165,770.60, 248,688.30 and 71,000.60 is: 106,514.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,770.60 : 248,688.30 = 71,000.60 : x
  2. Step 2: Convert to fraction form
    165,770.60/248,688.30 = 71,000.60/x
  3. Step 3: Cross multiply
    165,770.60x = 248,688.30 × 71,000.60
  4. Step 4: Simplify right side
    165,770.60x = 17,657,018,512.98
  5. Step 5: Solve for x
    x = 17,657,018,512.98/165,770.60
  6. Step 6: Final answer
    x = 106,514.78

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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.