Home / 187,231.20-280,555.20-162,153.60

Finding the Fourth Proportional to 187,231.20, 280,555.20 and 162,153.60

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Solution

The fourth proportional to 187,231.20, 280,555.20 and 162,153.60 is: 242,977.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,231.20 : 280,555.20 = 162,153.60 : x
  2. Step 2: Convert to fraction form
    187,231.20/280,555.20 = 162,153.60/x
  3. Step 3: Cross multiply
    187,231.20x = 280,555.20 × 162,153.60
  4. Step 4: Simplify right side
    187,231.20x = 45,493,035,678.72
  5. Step 5: Solve for x
    x = 45,493,035,678.72/187,231.20
  6. Step 6: Final answer
    x = 242,977.86

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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.