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Finding the Fourth Proportional to 104,752.23, 144,556 and 57,006.37

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Solution

The fourth proportional to 104,752.23, 144,556 and 57,006.37 is: 78,667.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,752.23 : 144,556 = 57,006.37 : x
  2. Step 2: Convert to fraction form
    104,752.23/144,556 = 57,006.37/x
  3. Step 3: Cross multiply
    104,752.23x = 144,556 × 57,006.37
  4. Step 4: Simplify right side
    104,752.23x = 8,240,612,821.72
  5. Step 5: Solve for x
    x = 8,240,612,821.72/104,752.23
  6. Step 6: Final answer
    x = 78,667.66

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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.