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Finding the Fourth Proportional to 184,797.21, 255,020.11 and 104,224.56

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Solution

The fourth proportional to 184,797.21, 255,020.11 and 104,224.56 is: 143,829.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,797.21 : 255,020.11 = 104,224.56 : x
  2. Step 2: Convert to fraction form
    184,797.21/255,020.11 = 104,224.56/x
  3. Step 3: Cross multiply
    184,797.21x = 255,020.11 × 104,224.56
  4. Step 4: Simplify right side
    184,797.21x = 26,579,357,539.01
  5. Step 5: Solve for x
    x = 26,579,357,539.01/184,797.21
  6. Step 6: Final answer
    x = 143,829.86

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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.