Home / 181,935.64-272,942.36-137,580.04

Finding the Fourth Proportional to 181,935.64, 272,942.36 and 137,580.04

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Solution

The fourth proportional to 181,935.64, 272,942.36 and 137,580.04 is: 206,399.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,935.64 : 272,942.36 = 137,580.04 : x
  2. Step 2: Convert to fraction form
    181,935.64/272,942.36 = 137,580.04/x
  3. Step 3: Cross multiply
    181,935.64x = 272,942.36 × 137,580.04
  4. Step 4: Simplify right side
    181,935.64x = 37,551,420,806.49
  5. Step 5: Solve for x
    x = 37,551,420,806.49/181,935.64
  6. Step 6: Final answer
    x = 206,399.48

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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.