Home / 181,822.40-272,539.20-81,965.60

Finding the Fourth Proportional to 181,822.40, 272,539.20 and 81,965.60

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Solution

The fourth proportional to 181,822.40, 272,539.20 and 81,965.60 is: 122,860.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,822.40 : 272,539.20 = 81,965.60 : x
  2. Step 2: Convert to fraction form
    181,822.40/272,539.20 = 81,965.60/x
  3. Step 3: Cross multiply
    181,822.40x = 272,539.20 × 81,965.60
  4. Step 4: Simplify right side
    181,822.40x = 22,338,839,051.52
  5. Step 5: Solve for x
    x = 22,338,839,051.52/181,822.40
  6. Step 6: Final answer
    x = 122,860.76

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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.