Home / 136,469.40-204,732.90-42,984.60

Finding the Fourth Proportional to 136,469.40, 204,732.90 and 42,984.60

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Solution

The fourth proportional to 136,469.40, 204,732.90 and 42,984.60 is: 64,485.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,469.40 : 204,732.90 = 42,984.60 : x
  2. Step 2: Convert to fraction form
    136,469.40/204,732.90 = 42,984.60/x
  3. Step 3: Cross multiply
    136,469.40x = 204,732.90 × 42,984.60
  4. Step 4: Simplify right side
    136,469.40x = 8,800,361,813.34
  5. Step 5: Solve for x
    x = 8,800,361,813.34/136,469.40
  6. Step 6: Final answer
    x = 64,485.97

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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.