Home / 122,972.89-184,042.71-75,617.98

Finding the Fourth Proportional to 122,972.89, 184,042.71 and 75,617.98

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Solution

The fourth proportional to 122,972.89, 184,042.71 and 75,617.98 is: 113,170.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,972.89 : 184,042.71 = 75,617.98 : x
  2. Step 2: Convert to fraction form
    122,972.89/184,042.71 = 75,617.98/x
  3. Step 3: Cross multiply
    122,972.89x = 184,042.71 × 75,617.98
  4. Step 4: Simplify right side
    122,972.89x = 13,916,937,585.84
  5. Step 5: Solve for x
    x = 13,916,937,585.84/122,972.89
  6. Step 6: Final answer
    x = 113,170.78

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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.