Home / 126,976.60-190,076.10-91,984.60

Finding the Fourth Proportional to 126,976.60, 190,076.10 and 91,984.60

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Solution

The fourth proportional to 126,976.60, 190,076.10 and 91,984.60 is: 137,695.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,976.60 : 190,076.10 = 91,984.60 : x
  2. Step 2: Convert to fraction form
    126,976.60/190,076.10 = 91,984.60/x
  3. Step 3: Cross multiply
    126,976.60x = 190,076.10 × 91,984.60
  4. Step 4: Simplify right side
    126,976.60x = 17,484,074,028.06
  5. Step 5: Solve for x
    x = 17,484,074,028.06/126,976.60
  6. Step 6: Final answer
    x = 137,695.24

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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.