Home / 122,973.36-184,105.26-72,218.58

Finding the Fourth Proportional to 122,973.36, 184,105.26 and 72,218.58

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Solution

The fourth proportional to 122,973.36, 184,105.26 and 72,218.58 is: 108,119.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,973.36 : 184,105.26 = 72,218.58 : x
  2. Step 2: Convert to fraction form
    122,973.36/184,105.26 = 72,218.58/x
  3. Step 3: Cross multiply
    122,973.36x = 184,105.26 × 72,218.58
  4. Step 4: Simplify right side
    122,973.36x = 13,295,820,447.73
  5. Step 5: Solve for x
    x = 13,295,820,447.73/122,973.36
  6. Step 6: Final answer
    x = 108,119.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.