Home / 136,119.40-204,179.10-98,794.60

Finding the Fourth Proportional to 136,119.40, 204,179.10 and 98,794.60

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Solution

The fourth proportional to 136,119.40, 204,179.10 and 98,794.60 is: 148,191.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,119.40 : 204,179.10 = 98,794.60 : x
  2. Step 2: Convert to fraction form
    136,119.40/204,179.10 = 98,794.60/x
  3. Step 3: Cross multiply
    136,119.40x = 204,179.10 × 98,794.60
  4. Step 4: Simplify right side
    136,119.40x = 20,171,792,512.86
  5. Step 5: Solve for x
    x = 20,171,792,512.86/136,119.40
  6. Step 6: Final answer
    x = 148,191.90

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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.