Home / 122,945.45-184,214.35-42,940.43

Finding the Fourth Proportional to 122,945.45, 184,214.35 and 42,940.43

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Solution

The fourth proportional to 122,945.45, 184,214.35 and 42,940.43 is: 64,339.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,945.45 : 184,214.35 = 42,940.43 : x
  2. Step 2: Convert to fraction form
    122,945.45/184,214.35 = 42,940.43/x
  3. Step 3: Cross multiply
    122,945.45x = 184,214.35 × 42,940.43
  4. Step 4: Simplify right side
    122,945.45x = 7,910,243,224.58
  5. Step 5: Solve for x
    x = 7,910,243,224.58/122,945.45
  6. Step 6: Final answer
    x = 64,339.46

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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.