Home / 126,734.40-174,897.60-73,015.20

Finding the Fourth Proportional to 126,734.40, 174,897.60 and 73,015.20

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Solution

The fourth proportional to 126,734.40, 174,897.60 and 73,015.20 is: 100,763.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,734.40 : 174,897.60 = 73,015.20 : x
  2. Step 2: Convert to fraction form
    126,734.40/174,897.60 = 73,015.20/x
  3. Step 3: Cross multiply
    126,734.40x = 174,897.60 × 73,015.20
  4. Step 4: Simplify right side
    126,734.40x = 12,770,183,243.52
  5. Step 5: Solve for x
    x = 12,770,183,243.52/126,734.40
  6. Step 6: Final answer
    x = 100,763.35

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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.