Home / 104,863.05-144,712.71-57,116.43

Finding the Fourth Proportional to 104,863.05, 144,712.71 and 57,116.43

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Solution

The fourth proportional to 104,863.05, 144,712.71 and 57,116.43 is: 78,821.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,863.05 : 144,712.71 = 57,116.43 : x
  2. Step 2: Convert to fraction form
    104,863.05/144,712.71 = 57,116.43/x
  3. Step 3: Cross multiply
    104,863.05x = 144,712.71 × 57,116.43
  4. Step 4: Simplify right side
    104,863.05x = 8,265,473,370.83
  5. Step 5: Solve for x
    x = 8,265,473,370.83/104,863.05
  6. Step 6: Final answer
    x = 78,821.60

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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.