Home / 151,830.86-227,884.46-80,813.09

Finding the Fourth Proportional to 151,830.86, 227,884.46 and 80,813.09

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Solution

The fourth proportional to 151,830.86, 227,884.46 and 80,813.09 is: 121,293.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,830.86 : 227,884.46 = 80,813.09 : x
  2. Step 2: Convert to fraction form
    151,830.86/227,884.46 = 80,813.09/x
  3. Step 3: Cross multiply
    151,830.86x = 227,884.46 × 80,813.09
  4. Step 4: Simplify right side
    151,830.86x = 18,416,047,541.23
  5. Step 5: Solve for x
    x = 18,416,047,541.23/151,830.86
  6. Step 6: Final answer
    x = 121,293.18

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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.