Home / 136,770.63-188,774.96-80,200.23

Finding the Fourth Proportional to 136,770.63, 188,774.96 and 80,200.23

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Solution

The fourth proportional to 136,770.63, 188,774.96 and 80,200.23 is: 110,694.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,770.63 : 188,774.96 = 80,200.23 : x
  2. Step 2: Convert to fraction form
    136,770.63/188,774.96 = 80,200.23/x
  3. Step 3: Cross multiply
    136,770.63x = 188,774.96 × 80,200.23
  4. Step 4: Simplify right side
    136,770.63x = 15,139,794,938.80
  5. Step 5: Solve for x
    x = 15,139,794,938.80/136,770.63
  6. Step 6: Final answer
    x = 110,694.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.