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Finding the Fourth Proportional to 180,935.70, 271,403.55 and 114,450.90

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Solution

The fourth proportional to 180,935.70, 271,403.55 and 114,450.90 is: 171,676.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,935.70 : 271,403.55 = 114,450.90 : x
  2. Step 2: Convert to fraction form
    180,935.70/271,403.55 = 114,450.90/x
  3. Step 3: Cross multiply
    180,935.70x = 271,403.55 × 114,450.90
  4. Step 4: Simplify right side
    180,935.70x = 31,062,380,560.70
  5. Step 5: Solve for x
    x = 31,062,380,560.70/180,935.70
  6. Step 6: Final answer
    x = 171,676.35

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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.