Home / 104,072.70-143,620.77-58,751.22

Finding the Fourth Proportional to 104,072.70, 143,620.77 and 58,751.22

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Solution

The fourth proportional to 104,072.70, 143,620.77 and 58,751.22 is: 81,076.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,072.70 : 143,620.77 = 58,751.22 : x
  2. Step 2: Convert to fraction form
    104,072.70/143,620.77 = 58,751.22/x
  3. Step 3: Cross multiply
    104,072.70x = 143,620.77 × 58,751.22
  4. Step 4: Simplify right side
    104,072.70x = 8,437,895,454.84
  5. Step 5: Solve for x
    x = 8,437,895,454.84/104,072.70
  6. Step 6: Final answer
    x = 81,076.93

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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.