Home / 130,102.44-179,539-73,512.60

Finding the Fourth Proportional to 130,102.44, 179,539 and 73,512.60

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Solution

The fourth proportional to 130,102.44, 179,539 and 73,512.60 is: 101,446.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,102.44 : 179,539 = 73,512.60 : x
  2. Step 2: Convert to fraction form
    130,102.44/179,539 = 73,512.60/x
  3. Step 3: Cross multiply
    130,102.44x = 179,539 × 73,512.60
  4. Step 4: Simplify right side
    130,102.44x = 13,198,378,691.40
  5. Step 5: Solve for x
    x = 13,198,378,691.40/130,102.44
  6. Step 6: Final answer
    x = 101,446.05

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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.