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Finding the Fourth Proportional to 111,265.50, 166,919.18 and 44,710.91

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Solution

The fourth proportional to 111,265.50, 166,919.18 and 44,710.91 is: 67,074.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,265.50 : 166,919.18 = 44,710.91 : x
  2. Step 2: Convert to fraction form
    111,265.50/166,919.18 = 44,710.91/x
  3. Step 3: Cross multiply
    111,265.50x = 166,919.18 × 44,710.91
  4. Step 4: Simplify right side
    111,265.50x = 7,463,107,376.10
  5. Step 5: Solve for x
    x = 7,463,107,376.10/111,265.50
  6. Step 6: Final answer
    x = 67,074.77

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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.