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Finding the Fourth Proportional to 111,087.80, 166,631.70 and 48,758.30

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Solution

The fourth proportional to 111,087.80, 166,631.70 and 48,758.30 is: 73,137.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,087.80 : 166,631.70 = 48,758.30 : x
  2. Step 2: Convert to fraction form
    111,087.80/166,631.70 = 48,758.30/x
  3. Step 3: Cross multiply
    111,087.80x = 166,631.70 × 48,758.30
  4. Step 4: Simplify right side
    111,087.80x = 8,124,678,418.11
  5. Step 5: Solve for x
    x = 8,124,678,418.11/111,087.80
  6. Step 6: Final answer
    x = 73,137.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.