Home / 126,959.58-190,445.43-104,731.74

Finding the Fourth Proportional to 126,959.58, 190,445.43 and 104,731.74

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Solution

The fourth proportional to 126,959.58, 190,445.43 and 104,731.74 is: 157,102.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,959.58 : 190,445.43 = 104,731.74 : x
  2. Step 2: Convert to fraction form
    126,959.58/190,445.43 = 104,731.74/x
  3. Step 3: Cross multiply
    126,959.58x = 190,445.43 × 104,731.74
  4. Step 4: Simplify right side
    126,959.58x = 19,945,681,258.95
  5. Step 5: Solve for x
    x = 19,945,681,258.95/126,959.58
  6. Step 6: Final answer
    x = 157,102.61

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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.