Home / 126,627.60-189,885.96-60,086.68

Finding the Fourth Proportional to 126,627.60, 189,885.96 and 60,086.68

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Solution

The fourth proportional to 126,627.60, 189,885.96 and 60,086.68 is: 90,103.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,627.60 : 189,885.96 = 60,086.68 : x
  2. Step 2: Convert to fraction form
    126,627.60/189,885.96 = 60,086.68/x
  3. Step 3: Cross multiply
    126,627.60x = 189,885.96 × 60,086.68
  4. Step 4: Simplify right side
    126,627.60x = 11,409,616,915.01
  5. Step 5: Solve for x
    x = 11,409,616,915.01/126,627.60
  6. Step 6: Final answer
    x = 90,103.71

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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.