Home / 151,751.10-227,626.65-80,892.30

Finding the Fourth Proportional to 151,751.10, 227,626.65 and 80,892.30

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Solution

The fourth proportional to 151,751.10, 227,626.65 and 80,892.30 is: 121,338.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,751.10 : 227,626.65 = 80,892.30 : x
  2. Step 2: Convert to fraction form
    151,751.10/227,626.65 = 80,892.30/x
  3. Step 3: Cross multiply
    151,751.10x = 227,626.65 × 80,892.30
  4. Step 4: Simplify right side
    151,751.10x = 18,413,243,259.80
  5. Step 5: Solve for x
    x = 18,413,243,259.80/151,751.10
  6. Step 6: Final answer
    x = 121,338.45

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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.