Home / 106,388.74-146,814.68-57,991.19

Finding the Fourth Proportional to 106,388.74, 146,814.68 and 57,991.19

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Solution

The fourth proportional to 106,388.74, 146,814.68 and 57,991.19 is: 80,026.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,388.74 : 146,814.68 = 57,991.19 : x
  2. Step 2: Convert to fraction form
    106,388.74/146,814.68 = 57,991.19/x
  3. Step 3: Cross multiply
    106,388.74x = 146,814.68 × 57,991.19
  4. Step 4: Simplify right side
    106,388.74x = 8,513,957,913.21
  5. Step 5: Solve for x
    x = 8,513,957,913.21/106,388.74
  6. Step 6: Final answer
    x = 80,026.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.