Home / 104,936.45-144,812.49-57,189.77

Finding the Fourth Proportional to 104,936.45, 144,812.49 and 57,189.77

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Solution

The fourth proportional to 104,936.45, 144,812.49 and 57,189.77 is: 78,921.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,936.45 : 144,812.49 = 57,189.77 : x
  2. Step 2: Convert to fraction form
    104,936.45/144,812.49 = 57,189.77/x
  3. Step 3: Cross multiply
    104,936.45x = 144,812.49 × 57,189.77
  4. Step 4: Simplify right side
    104,936.45x = 8,281,792,996.23
  5. Step 5: Solve for x
    x = 8,281,792,996.23/104,936.45
  6. Step 6: Final answer
    x = 78,921.99

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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.