Home / 98,072.22-134,914.95-85,917.96

Finding the Fourth Proportional to 98,072.22, 134,914.95 and 85,917.96

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Solution

The fourth proportional to 98,072.22, 134,914.95 and 85,917.96 is: 118,194.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,072.22 : 134,914.95 = 85,917.96 : x
  2. Step 2: Convert to fraction form
    98,072.22/134,914.95 = 85,917.96/x
  3. Step 3: Cross multiply
    98,072.22x = 134,914.95 × 85,917.96
  4. Step 4: Simplify right side
    98,072.22x = 11,591,618,105.63
  5. Step 5: Solve for x
    x = 11,591,618,105.63/98,072.22
  6. Step 6: Final answer
    x = 118,194.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.