Home / 104,754.22-144,556.52-57,007.76

Finding the Fourth Proportional to 104,754.22, 144,556.52 and 57,007.76

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Solution

The fourth proportional to 104,754.22, 144,556.52 and 57,007.76 is: 78,668.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,754.22 : 144,556.52 = 57,007.76 : x
  2. Step 2: Convert to fraction form
    104,754.22/144,556.52 = 57,007.76/x
  3. Step 3: Cross multiply
    104,754.22x = 144,556.52 × 57,007.76
  4. Step 4: Simplify right side
    104,754.22x = 8,240,842,390.77
  5. Step 5: Solve for x
    x = 8,240,842,390.77/104,754.22
  6. Step 6: Final answer
    x = 78,668.36

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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.