Home / 131,504.40-197,256.60-108,464.40

Finding the Fourth Proportional to 131,504.40, 197,256.60 and 108,464.40

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Solution

The fourth proportional to 131,504.40, 197,256.60 and 108,464.40 is: 162,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,504.40 : 197,256.60 = 108,464.40 : x
  2. Step 2: Convert to fraction form
    131,504.40/197,256.60 = 108,464.40/x
  3. Step 3: Cross multiply
    131,504.40x = 197,256.60 × 108,464.40
  4. Step 4: Simplify right side
    131,504.40x = 21,395,318,765.04
  5. Step 5: Solve for x
    x = 21,395,318,765.04/131,504.40
  6. Step 6: Final answer
    x = 162,696.60

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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.