Home / 104,790.74-144,611.19-57,044.43

Finding the Fourth Proportional to 104,790.74, 144,611.19 and 57,044.43

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Solution

The fourth proportional to 104,790.74, 144,611.19 and 57,044.43 is: 78,721.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,790.74 : 144,611.19 = 57,044.43 : x
  2. Step 2: Convert to fraction form
    104,790.74/144,611.19 = 57,044.43/x
  3. Step 3: Cross multiply
    104,790.74x = 144,611.19 × 57,044.43
  4. Step 4: Simplify right side
    104,790.74x = 8,249,262,905.17
  5. Step 5: Solve for x
    x = 8,249,262,905.17/104,790.74
  6. Step 6: Final answer
    x = 78,721.30

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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.