Home / 136,266.89-188,057.12-75,837.33

Finding the Fourth Proportional to 136,266.89, 188,057.12 and 75,837.33

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Solution

The fourth proportional to 136,266.89, 188,057.12 and 75,837.33 is: 104,660.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,266.89 : 188,057.12 = 75,837.33 : x
  2. Step 2: Convert to fraction form
    136,266.89/188,057.12 = 75,837.33/x
  3. Step 3: Cross multiply
    136,266.89x = 188,057.12 × 75,837.33
  4. Step 4: Simplify right side
    136,266.89x = 14,261,749,489.10
  5. Step 5: Solve for x
    x = 14,261,749,489.10/136,266.89
  6. Step 6: Final answer
    x = 104,660.42

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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.