Home / 177,802.82-266,703.96-81,729.26

Finding the Fourth Proportional to 177,802.82, 266,703.96 and 81,729.26

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Solution

The fourth proportional to 177,802.82, 266,703.96 and 81,729.26 is: 122,593.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,802.82 : 266,703.96 = 81,729.26 : x
  2. Step 2: Convert to fraction form
    177,802.82/266,703.96 = 81,729.26/x
  3. Step 3: Cross multiply
    177,802.82x = 266,703.96 × 81,729.26
  4. Step 4: Simplify right side
    177,802.82x = 21,797,517,289.87
  5. Step 5: Solve for x
    x = 21,797,517,289.87/177,802.82
  6. Step 6: Final answer
    x = 122,593.77

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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.