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Finding the Fourth Proportional to 133,964.72, 200,947.08 and 45,280.50

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Solution

The fourth proportional to 133,964.72, 200,947.08 and 45,280.50 is: 67,920.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,964.72 : 200,947.08 = 45,280.50 : x
  2. Step 2: Convert to fraction form
    133,964.72/200,947.08 = 45,280.50/x
  3. Step 3: Cross multiply
    133,964.72x = 200,947.08 × 45,280.50
  4. Step 4: Simplify right side
    133,964.72x = 9,098,984,086.14
  5. Step 5: Solve for x
    x = 9,098,984,086.14/133,964.72
  6. Step 6: Final answer
    x = 67,920.75

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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.