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Finding the Fourth Proportional to 178,380.80, 267,441.60 and 73,145.60

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Solution

The fourth proportional to 178,380.80, 267,441.60 and 73,145.60 is: 109,665.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,380.80 : 267,441.60 = 73,145.60 : x
  2. Step 2: Convert to fraction form
    178,380.80/267,441.60 = 73,145.60/x
  3. Step 3: Cross multiply
    178,380.80x = 267,441.60 × 73,145.60
  4. Step 4: Simplify right side
    178,380.80x = 19,562,176,296.96
  5. Step 5: Solve for x
    x = 19,562,176,296.96/178,380.80
  6. Step 6: Final answer
    x = 109,665.26

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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.