Home / 104,748.91-144,556.51-57,005.28

Finding the Fourth Proportional to 104,748.91, 144,556.51 and 57,005.28

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Solution

The fourth proportional to 104,748.91, 144,556.51 and 57,005.28 is: 78,668.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,748.91 : 144,556.51 = 57,005.28 : x
  2. Step 2: Convert to fraction form
    104,748.91/144,556.51 = 57,005.28/x
  3. Step 3: Cross multiply
    104,748.91x = 144,556.51 × 57,005.28
  4. Step 4: Simplify right side
    104,748.91x = 8,240,484,328.37
  5. Step 5: Solve for x
    x = 8,240,484,328.37/104,748.91
  6. Step 6: Final answer
    x = 78,668.93

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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.