Home / 181,661.94-272,511.45-69,436.61

Finding the Fourth Proportional to 181,661.94, 272,511.45 and 69,436.61

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Solution

The fourth proportional to 181,661.94, 272,511.45 and 69,436.61 is: 104,161.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,661.94 : 272,511.45 = 69,436.61 : x
  2. Step 2: Convert to fraction form
    181,661.94/272,511.45 = 69,436.61/x
  3. Step 3: Cross multiply
    181,661.94x = 272,511.45 × 69,436.61
  4. Step 4: Simplify right side
    181,661.94x = 18,922,269,911.63
  5. Step 5: Solve for x
    x = 18,922,269,911.63/181,661.94
  6. Step 6: Final answer
    x = 104,161.99

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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.