Home / 136,360.60-188,203.92-82,675.02

Finding the Fourth Proportional to 136,360.60, 188,203.92 and 82,675.02

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Solution

The fourth proportional to 136,360.60, 188,203.92 and 82,675.02 is: 114,107.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,360.60 : 188,203.92 = 82,675.02 : x
  2. Step 2: Convert to fraction form
    136,360.60/188,203.92 = 82,675.02/x
  3. Step 3: Cross multiply
    136,360.60x = 188,203.92 × 82,675.02
  4. Step 4: Simplify right side
    136,360.60x = 15,559,762,850.08
  5. Step 5: Solve for x
    x = 15,559,762,850.08/136,360.60
  6. Step 6: Final answer
    x = 114,107.47

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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.