Home / 127,185.21-175,517.64-69,829.82

Finding the Fourth Proportional to 127,185.21, 175,517.64 and 69,829.82

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Solution

The fourth proportional to 127,185.21, 175,517.64 and 69,829.82 is: 96,366.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,185.21 : 175,517.64 = 69,829.82 : x
  2. Step 2: Convert to fraction form
    127,185.21/175,517.64 = 69,829.82/x
  3. Step 3: Cross multiply
    127,185.21x = 175,517.64 × 69,829.82
  4. Step 4: Simplify right side
    127,185.21x = 12,256,365,208.02
  5. Step 5: Solve for x
    x = 12,256,365,208.02/127,185.21
  6. Step 6: Final answer
    x = 96,366.28

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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.