Home / 122,715.78-184,028.09-42,733.21

Finding the Fourth Proportional to 122,715.78, 184,028.09 and 42,733.21

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Solution

The fourth proportional to 122,715.78, 184,028.09 and 42,733.21 is: 64,083.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,715.78 : 184,028.09 = 42,733.21 : x
  2. Step 2: Convert to fraction form
    122,715.78/184,028.09 = 42,733.21/x
  3. Step 3: Cross multiply
    122,715.78x = 184,028.09 × 42,733.21
  4. Step 4: Simplify right side
    122,715.78x = 7,864,110,927.56
  5. Step 5: Solve for x
    x = 7,864,110,927.56/122,715.78
  6. Step 6: Final answer
    x = 64,083.94

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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.