Home / 104,751.28-144,556.49-57,004.61

Finding the Fourth Proportional to 104,751.28, 144,556.49 and 57,004.61

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Solution

The fourth proportional to 104,751.28, 144,556.49 and 57,004.61 is: 78,666.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,751.28 : 144,556.49 = 57,004.61 : x
  2. Step 2: Convert to fraction form
    104,751.28/144,556.49 = 57,004.61/x
  3. Step 3: Cross multiply
    104,751.28x = 144,556.49 × 57,004.61
  4. Step 4: Simplify right side
    104,751.28x = 8,240,386,335.42
  5. Step 5: Solve for x
    x = 8,240,386,335.42/104,751.28
  6. Step 6: Final answer
    x = 78,666.22

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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.