Home / 181,938.45-272,960.31-75,302.70

Finding the Fourth Proportional to 181,938.45, 272,960.31 and 75,302.70

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Solution

The fourth proportional to 181,938.45, 272,960.31 and 75,302.70 is: 112,975.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,938.45 : 272,960.31 = 75,302.70 : x
  2. Step 2: Convert to fraction form
    181,938.45/272,960.31 = 75,302.70/x
  3. Step 3: Cross multiply
    181,938.45x = 272,960.31 × 75,302.70
  4. Step 4: Simplify right side
    181,938.45x = 20,554,647,594.62
  5. Step 5: Solve for x
    x = 20,554,647,594.62/181,938.45
  6. Step 6: Final answer
    x = 112,975.83

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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.