Home / 133,664.80-200,548.40-131,565.60

Finding the Fourth Proportional to 133,664.80, 200,548.40 and 131,565.60

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Solution

The fourth proportional to 133,664.80, 200,548.40 and 131,565.60 is: 197,398.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,664.80 : 200,548.40 = 131,565.60 : x
  2. Step 2: Convert to fraction form
    133,664.80/200,548.40 = 131,565.60/x
  3. Step 3: Cross multiply
    133,664.80x = 200,548.40 × 131,565.60
  4. Step 4: Simplify right side
    133,664.80x = 26,385,270,575.04
  5. Step 5: Solve for x
    x = 26,385,270,575.04/133,664.80
  6. Step 6: Final answer
    x = 197,398.80

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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.