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Finding the Fourth Proportional to 180,047.70, 270,241.02 and 91,364.85

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Solution

The fourth proportional to 180,047.70, 270,241.02 and 91,364.85 is: 137,133.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,047.70 : 270,241.02 = 91,364.85 : x
  2. Step 2: Convert to fraction form
    180,047.70/270,241.02 = 91,364.85/x
  3. Step 3: Cross multiply
    180,047.70x = 270,241.02 × 91,364.85
  4. Step 4: Simplify right side
    180,047.70x = 24,690,530,256.15
  5. Step 5: Solve for x
    x = 24,690,530,256.15/180,047.70
  6. Step 6: Final answer
    x = 137,133.27

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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.