Home / 122,781.82-184,172.04-31,597.14

Finding the Fourth Proportional to 122,781.82, 184,172.04 and 31,597.14

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Solution

The fourth proportional to 122,781.82, 184,172.04 and 31,597.14 is: 47,395.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,781.82 : 184,172.04 = 31,597.14 : x
  2. Step 2: Convert to fraction form
    122,781.82/184,172.04 = 31,597.14/x
  3. Step 3: Cross multiply
    122,781.82x = 184,172.04 × 31,597.14
  4. Step 4: Simplify right side
    122,781.82x = 5,819,309,731.97
  5. Step 5: Solve for x
    x = 5,819,309,731.97/122,781.82
  6. Step 6: Final answer
    x = 47,395.53

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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.