Home / 187,311.18-280,626.57-108,258.42

Finding the Fourth Proportional to 187,311.18, 280,626.57 and 108,258.42

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Solution

The fourth proportional to 187,311.18, 280,626.57 and 108,258.42 is: 162,191.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,311.18 : 280,626.57 = 108,258.42 : x
  2. Step 2: Convert to fraction form
    187,311.18/280,626.57 = 108,258.42/x
  3. Step 3: Cross multiply
    187,311.18x = 280,626.57 × 108,258.42
  4. Step 4: Simplify right side
    187,311.18x = 30,380,189,078.22
  5. Step 5: Solve for x
    x = 30,380,189,078.22/187,311.18
  6. Step 6: Final answer
    x = 162,191.01

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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.