Home / 110,456.10-165,770.55-51,299.10

Finding the Fourth Proportional to 110,456.10, 165,770.55 and 51,299.10

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Solution

The fourth proportional to 110,456.10, 165,770.55 and 51,299.10 is: 76,988.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,456.10 : 165,770.55 = 51,299.10 : x
  2. Step 2: Convert to fraction form
    110,456.10/165,770.55 = 51,299.10/x
  3. Step 3: Cross multiply
    110,456.10x = 165,770.55 × 51,299.10
  4. Step 4: Simplify right side
    110,456.10x = 8,503,880,021.51
  5. Step 5: Solve for x
    x = 8,503,880,021.51/110,456.10
  6. Step 6: Final answer
    x = 76,988.78

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1.5x scale

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.