Home / 136,629.58-188,548.98-75,374.38

Finding the Fourth Proportional to 136,629.58, 188,548.98 and 75,374.38

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Solution

The fourth proportional to 136,629.58, 188,548.98 and 75,374.38 is: 104,016.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,629.58 : 188,548.98 = 75,374.38 : x
  2. Step 2: Convert to fraction form
    136,629.58/188,548.98 = 75,374.38/x
  3. Step 3: Cross multiply
    136,629.58x = 188,548.98 × 75,374.38
  4. Step 4: Simplify right side
    136,629.58x = 14,211,762,467.13
  5. Step 5: Solve for x
    x = 14,211,762,467.13/136,629.58
  6. Step 6: Final answer
    x = 104,016.73

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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.