Home / 181,918.70-272,545.54-131,874.68

Finding the Fourth Proportional to 181,918.70, 272,545.54 and 131,874.68

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Solution

The fourth proportional to 181,918.70, 272,545.54 and 131,874.68 is: 197,570.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,918.70 : 272,545.54 = 131,874.68 : x
  2. Step 2: Convert to fraction form
    181,918.70/272,545.54 = 131,874.68/x
  3. Step 3: Cross multiply
    181,918.70x = 272,545.54 × 131,874.68
  4. Step 4: Simplify right side
    181,918.70x = 35,941,854,180.51
  5. Step 5: Solve for x
    x = 35,941,854,180.51/181,918.70
  6. Step 6: Final answer
    x = 197,570.97

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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.