Home / 181,815.06-272,836.17-69,504.78

Finding the Fourth Proportional to 181,815.06, 272,836.17 and 69,504.78

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Solution

The fourth proportional to 181,815.06, 272,836.17 and 69,504.78 is: 104,300.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,815.06 : 272,836.17 = 69,504.78 : x
  2. Step 2: Convert to fraction form
    181,815.06/272,836.17 = 69,504.78/x
  3. Step 3: Cross multiply
    181,815.06x = 272,836.17 × 69,504.78
  4. Step 4: Simplify right side
    181,815.06x = 18,963,417,971.89
  5. Step 5: Solve for x
    x = 18,963,417,971.89/181,815.06
  6. Step 6: Final answer
    x = 104,300.59

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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.