Home / 122,905.26-184,186.40-92,894.76

Finding the Fourth Proportional to 122,905.26, 184,186.40 and 92,894.76

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Solution

The fourth proportional to 122,905.26, 184,186.40 and 92,894.76 is: 139,212.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,905.26 : 184,186.40 = 92,894.76 : x
  2. Step 2: Convert to fraction form
    122,905.26/184,186.40 = 92,894.76/x
  3. Step 3: Cross multiply
    122,905.26x = 184,186.40 × 92,894.76
  4. Step 4: Simplify right side
    122,905.26x = 17,109,951,423.26
  5. Step 5: Solve for x
    x = 17,109,951,423.26/122,905.26
  6. Step 6: Final answer
    x = 139,212.52

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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.