Home / 151,685.28-227,576.58-72,805.05

Finding the Fourth Proportional to 151,685.28, 227,576.58 and 72,805.05

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Solution

The fourth proportional to 151,685.28, 227,576.58 and 72,805.05 is: 109,230.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,685.28 : 227,576.58 = 72,805.05 : x
  2. Step 2: Convert to fraction form
    151,685.28/227,576.58 = 72,805.05/x
  3. Step 3: Cross multiply
    151,685.28x = 227,576.58 × 72,805.05
  4. Step 4: Simplify right side
    151,685.28x = 16,568,724,285.73
  5. Step 5: Solve for x
    x = 16,568,724,285.73/151,685.28
  6. Step 6: Final answer
    x = 109,230.93

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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.