Home / 181,785.42-272,551.59-80,528.49

Finding the Fourth Proportional to 181,785.42, 272,551.59 and 80,528.49

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Solution

The fourth proportional to 181,785.42, 272,551.59 and 80,528.49 is: 120,736.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,785.42 : 272,551.59 = 80,528.49 : x
  2. Step 2: Convert to fraction form
    181,785.42/272,551.59 = 80,528.49/x
  3. Step 3: Cross multiply
    181,785.42x = 272,551.59 × 80,528.49
  4. Step 4: Simplify right side
    181,785.42x = 21,948,167,989.80
  5. Step 5: Solve for x
    x = 21,948,167,989.80/181,785.42
  6. Step 6: Final answer
    x = 120,736.68

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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.