Home / 181,839.81-272,632.93-80,582.73

Finding the Fourth Proportional to 181,839.81, 272,632.93 and 80,582.73

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Solution

The fourth proportional to 181,839.81, 272,632.93 and 80,582.73 is: 120,817.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,839.81 : 272,632.93 = 80,582.73 : x
  2. Step 2: Convert to fraction form
    181,839.81/272,632.93 = 80,582.73/x
  3. Step 3: Cross multiply
    181,839.81x = 272,632.93 × 80,582.73
  4. Step 4: Simplify right side
    181,839.81x = 21,969,505,787.30
  5. Step 5: Solve for x
    x = 21,969,505,787.30/181,839.81
  6. Step 6: Final answer
    x = 120,817.91

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1.5x scale

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.