Home / 122,736.98-184,107.76-38,495.28

Finding the Fourth Proportional to 122,736.98, 184,107.76 and 38,495.28

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Solution

The fourth proportional to 122,736.98, 184,107.76 and 38,495.28 is: 57,743.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,736.98 : 184,107.76 = 38,495.28 : x
  2. Step 2: Convert to fraction form
    122,736.98/184,107.76 = 38,495.28/x
  3. Step 3: Cross multiply
    122,736.98x = 184,107.76 × 38,495.28
  4. Step 4: Simplify right side
    122,736.98x = 7,087,279,771.37
  5. Step 5: Solve for x
    x = 7,087,279,771.37/122,736.98
  6. Step 6: Final answer
    x = 57,743.64

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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.