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Finding the Fourth Proportional to 110,704.60, 166,056.90 and 73,306.90

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Solution

The fourth proportional to 110,704.60, 166,056.90 and 73,306.90 is: 109,960.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,704.60 : 166,056.90 = 73,306.90 : x
  2. Step 2: Convert to fraction form
    110,704.60/166,056.90 = 73,306.90/x
  3. Step 3: Cross multiply
    110,704.60x = 166,056.90 × 73,306.90
  4. Step 4: Simplify right side
    110,704.60x = 12,173,116,562.61
  5. Step 5: Solve for x
    x = 12,173,116,562.61/110,704.60
  6. Step 6: Final answer
    x = 109,960.35

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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.