Home / 136,119.60-204,179.40-69,537.60

Finding the Fourth Proportional to 136,119.60, 204,179.40 and 69,537.60

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Solution

The fourth proportional to 136,119.60, 204,179.40 and 69,537.60 is: 104,306.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,119.60 : 204,179.40 = 69,537.60 : x
  2. Step 2: Convert to fraction form
    136,119.60/204,179.40 = 69,537.60/x
  3. Step 3: Cross multiply
    136,119.60x = 204,179.40 × 69,537.60
  4. Step 4: Simplify right side
    136,119.60x = 14,198,145,445.44
  5. Step 5: Solve for x
    x = 14,198,145,445.44/136,119.60
  6. Step 6: Final answer
    x = 104,306.40

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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.