Home / 109,942.40-164,913.60-98,132.60

Finding the Fourth Proportional to 109,942.40, 164,913.60 and 98,132.60

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Solution

The fourth proportional to 109,942.40, 164,913.60 and 98,132.60 is: 147,198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,942.40 : 164,913.60 = 98,132.60 : x
  2. Step 2: Convert to fraction form
    109,942.40/164,913.60 = 98,132.60/x
  3. Step 3: Cross multiply
    109,942.40x = 164,913.60 × 98,132.60
  4. Step 4: Simplify right side
    109,942.40x = 16,183,400,343.36
  5. Step 5: Solve for x
    x = 16,183,400,343.36/109,942.40
  6. Step 6: Final answer
    x = 147,198.90

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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.