Home / 126,204.62-189,028.80-104,317.57

Finding the Fourth Proportional to 126,204.62, 189,028.80 and 104,317.57

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Solution

The fourth proportional to 126,204.62, 189,028.80 and 104,317.57 is: 156,246.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,204.62 : 189,028.80 = 104,317.57 : x
  2. Step 2: Convert to fraction form
    126,204.62/189,028.80 = 104,317.57/x
  3. Step 3: Cross multiply
    126,204.62x = 189,028.80 × 104,317.57
  4. Step 4: Simplify right side
    126,204.62x = 19,719,024,554.43
  5. Step 5: Solve for x
    x = 19,719,024,554.43/126,204.62
  6. Step 6: Final answer
    x = 156,246.46

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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.