Home / 187,355.20-280,449.60-108,234.40

Finding the Fourth Proportional to 187,355.20, 280,449.60 and 108,234.40

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Solution

The fourth proportional to 187,355.20, 280,449.60 and 108,234.40 is: 162,014.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,355.20 : 280,449.60 = 108,234.40 : x
  2. Step 2: Convert to fraction form
    187,355.20/280,449.60 = 108,234.40/x
  3. Step 3: Cross multiply
    187,355.20x = 280,449.60 × 108,234.40
  4. Step 4: Simplify right side
    187,355.20x = 30,354,294,186.24
  5. Step 5: Solve for x
    x = 30,354,294,186.24/187,355.20
  6. Step 6: Final answer
    x = 162,014.69

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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.