Home / 126,912.54-190,660.41-89,558.46

Finding the Fourth Proportional to 126,912.54, 190,660.41 and 89,558.46

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Solution

The fourth proportional to 126,912.54, 190,660.41 and 89,558.46 is: 134,543.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,912.54 : 190,660.41 = 89,558.46 : x
  2. Step 2: Convert to fraction form
    126,912.54/190,660.41 = 89,558.46/x
  3. Step 3: Cross multiply
    126,912.54x = 190,660.41 × 89,558.46
  4. Step 4: Simplify right side
    126,912.54x = 17,075,252,702.57
  5. Step 5: Solve for x
    x = 17,075,252,702.57/126,912.54
  6. Step 6: Final answer
    x = 134,543.46

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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.