Home / 181,683.70-272,525.64-81,727.11

Finding the Fourth Proportional to 181,683.70, 272,525.64 and 81,727.11

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Solution

The fourth proportional to 181,683.70, 272,525.64 and 81,727.11 is: 122,590.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,683.70 : 272,525.64 = 81,727.11 : x
  2. Step 2: Convert to fraction form
    181,683.70/272,525.64 = 81,727.11/x
  3. Step 3: Cross multiply
    181,683.70x = 272,525.64 × 81,727.11
  4. Step 4: Simplify right side
    181,683.70x = 22,272,732,958.10
  5. Step 5: Solve for x
    x = 22,272,732,958.10/181,683.70
  6. Step 6: Final answer
    x = 122,590.71

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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.