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Finding the Fourth Proportional to 181,145.60, 271,815.60 and 75,975.20

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Solution

The fourth proportional to 181,145.60, 271,815.60 and 75,975.20 is: 114,003.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,145.60 : 271,815.60 = 75,975.20 : x
  2. Step 2: Convert to fraction form
    181,145.60/271,815.60 = 75,975.20/x
  3. Step 3: Cross multiply
    181,145.60x = 271,815.60 × 75,975.20
  4. Step 4: Simplify right side
    181,145.60x = 20,651,244,573.12
  5. Step 5: Solve for x
    x = 20,651,244,573.12/181,145.60
  6. Step 6: Final answer
    x = 114,003.57

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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.