Home / 126,451.60-189,513.88-94,611.85

Finding the Fourth Proportional to 126,451.60, 189,513.88 and 94,611.85

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Solution

The fourth proportional to 126,451.60, 189,513.88 and 94,611.85 is: 141,795.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,451.60 : 189,513.88 = 94,611.85 : x
  2. Step 2: Convert to fraction form
    126,451.60/189,513.88 = 94,611.85/x
  3. Step 3: Cross multiply
    126,451.60x = 189,513.88 × 94,611.85
  4. Step 4: Simplify right side
    126,451.60x = 17,930,258,077.16
  5. Step 5: Solve for x
    x = 17,930,258,077.16/126,451.60
  6. Step 6: Final answer
    x = 141,795.43

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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.