Home / 101,708.22-140,307.48-88,260.60

Finding the Fourth Proportional to 101,708.22, 140,307.48 and 88,260.60

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Solution

The fourth proportional to 101,708.22, 140,307.48 and 88,260.60 is: 121,756.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,708.22 : 140,307.48 = 88,260.60 : x
  2. Step 2: Convert to fraction form
    101,708.22/140,307.48 = 88,260.60/x
  3. Step 3: Cross multiply
    101,708.22x = 140,307.48 × 88,260.60
  4. Step 4: Simplify right side
    101,708.22x = 12,383,622,369.29
  5. Step 5: Solve for x
    x = 12,383,622,369.29/101,708.22
  6. Step 6: Final answer
    x = 121,756.36

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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.