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Finding the Fourth Proportional to 133,783.69, 200,549.98 and 44,975.09

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Solution

The fourth proportional to 133,783.69, 200,549.98 and 44,975.09 is: 67,420.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,783.69 : 200,549.98 = 44,975.09 : x
  2. Step 2: Convert to fraction form
    133,783.69/200,549.98 = 44,975.09/x
  3. Step 3: Cross multiply
    133,783.69x = 200,549.98 × 44,975.09
  4. Step 4: Simplify right side
    133,783.69x = 9,019,753,400.00
  5. Step 5: Solve for x
    x = 9,019,753,400.00/133,783.69
  6. Step 6: Final answer
    x = 67,420.43

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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.