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Finding the Fourth Proportional to 133,677.80, 200,567.90 and 131,578.60

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Solution

The fourth proportional to 133,677.80, 200,567.90 and 131,578.60 is: 197,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,677.80 : 200,567.90 = 131,578.60 : x
  2. Step 2: Convert to fraction form
    133,677.80/200,567.90 = 131,578.60/x
  3. Step 3: Cross multiply
    133,677.80x = 200,567.90 × 131,578.60
  4. Step 4: Simplify right side
    133,677.80x = 26,390,443,486.94
  5. Step 5: Solve for x
    x = 26,390,443,486.94/133,677.80
  6. Step 6: Final answer
    x = 197,418.30

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1.5x scale

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.