Home / 126,450.90-189,512.84-94,611.15

Finding the Fourth Proportional to 126,450.90, 189,512.84 and 94,611.15

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Solution

The fourth proportional to 126,450.90, 189,512.84 and 94,611.15 is: 141,794.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,450.90 : 189,512.84 = 94,611.15 : x
  2. Step 2: Convert to fraction form
    126,450.90/189,512.84 = 94,611.15/x
  3. Step 3: Cross multiply
    126,450.90x = 189,512.84 × 94,611.15
  4. Step 4: Simplify right side
    126,450.90x = 17,930,027,732.17
  5. Step 5: Solve for x
    x = 17,930,027,732.17/126,450.90
  6. Step 6: Final answer
    x = 141,794.39

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1.5x scale

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.