Home / 181,623.06-272,431.86-81,712.71

Finding the Fourth Proportional to 181,623.06, 272,431.86 and 81,712.71

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Solution

The fourth proportional to 181,623.06, 272,431.86 and 81,712.71 is: 122,567.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,623.06 : 272,431.86 = 81,712.71 : x
  2. Step 2: Convert to fraction form
    181,623.06/272,431.86 = 81,712.71/x
  3. Step 3: Cross multiply
    181,623.06x = 272,431.86 × 81,712.71
  4. Step 4: Simplify right side
    181,623.06x = 22,261,145,570.94
  5. Step 5: Solve for x
    x = 22,261,145,570.94/181,623.06
  6. Step 6: Final answer
    x = 122,567.84

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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.