Home / 136,493.51-204,756.66-129,028.55

Finding the Fourth Proportional to 136,493.51, 204,756.66 and 129,028.55

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Solution

The fourth proportional to 136,493.51, 204,756.66 and 129,028.55 is: 193,558.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,493.51 : 204,756.66 = 129,028.55 : x
  2. Step 2: Convert to fraction form
    136,493.51/204,756.66 = 129,028.55/x
  3. Step 3: Cross multiply
    136,493.51x = 204,756.66 × 129,028.55
  4. Step 4: Simplify right side
    136,493.51x = 26,419,453,918.86
  5. Step 5: Solve for x
    x = 26,419,453,918.86/136,493.51
  6. Step 6: Final answer
    x = 193,558.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.