Home / 104,982.29-144,876.41-57,235.98

Finding the Fourth Proportional to 104,982.29, 144,876.41 and 57,235.98

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Solution

The fourth proportional to 104,982.29, 144,876.41 and 57,235.98 is: 78,986.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,982.29 : 144,876.41 = 57,235.98 : x
  2. Step 2: Convert to fraction form
    104,982.29/144,876.41 = 57,235.98/x
  3. Step 3: Cross multiply
    104,982.29x = 144,876.41 × 57,235.98
  4. Step 4: Simplify right side
    104,982.29x = 8,292,143,776.97
  5. Step 5: Solve for x
    x = 8,292,143,776.97/104,982.29
  6. Step 6: Final answer
    x = 78,986.12

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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.