Home / 151,731.70-227,627.93-45,115.45

Finding the Fourth Proportional to 151,731.70, 227,627.93 and 45,115.45

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Solution

The fourth proportional to 151,731.70, 227,627.93 and 45,115.45 is: 67,682.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,731.70 : 227,627.93 = 45,115.45 : x
  2. Step 2: Convert to fraction form
    151,731.70/227,627.93 = 45,115.45/x
  3. Step 3: Cross multiply
    151,731.70x = 227,627.93 × 45,115.45
  4. Step 4: Simplify right side
    151,731.70x = 10,269,536,268.94
  5. Step 5: Solve for x
    x = 10,269,536,268.94/151,731.70
  6. Step 6: Final answer
    x = 67,682.21

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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.