Home / 136,427.46-188,244.90-75,996.60

Finding the Fourth Proportional to 136,427.46, 188,244.90 and 75,996.60

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Solution

The fourth proportional to 136,427.46, 188,244.90 and 75,996.60 is: 104,861.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,427.46 : 188,244.90 = 75,996.60 : x
  2. Step 2: Convert to fraction form
    136,427.46/188,244.90 = 75,996.60/x
  3. Step 3: Cross multiply
    136,427.46x = 188,244.90 × 75,996.60
  4. Step 4: Simplify right side
    136,427.46x = 14,305,972,367.34
  5. Step 5: Solve for x
    x = 14,305,972,367.34/136,427.46
  6. Step 6: Final answer
    x = 104,861.38

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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.