Home / 126,435.20-189,520.33-58,911.55

Finding the Fourth Proportional to 126,435.20, 189,520.33 and 58,911.55

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Solution

The fourth proportional to 126,435.20, 189,520.33 and 58,911.55 is: 88,305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,435.20 : 189,520.33 = 58,911.55 : x
  2. Step 2: Convert to fraction form
    126,435.20/189,520.33 = 58,911.55/x
  3. Step 3: Cross multiply
    126,435.20x = 189,520.33 × 58,911.55
  4. Step 4: Simplify right side
    126,435.20x = 11,164,936,396.81
  5. Step 5: Solve for x
    x = 11,164,936,396.81/126,435.20
  6. Step 6: Final answer
    x = 88,305.60

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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.