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Finding the Fourth Proportional to 146,087.48, 219,087.30 and 75,928.44

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Solution

The fourth proportional to 146,087.48, 219,087.30 and 75,928.44 is: 113,869.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,087.48 : 219,087.30 = 75,928.44 : x
  2. Step 2: Convert to fraction form
    146,087.48/219,087.30 = 75,928.44/x
  3. Step 3: Cross multiply
    146,087.48x = 219,087.30 × 75,928.44
  4. Step 4: Simplify right side
    146,087.48x = 16,634,956,912.81
  5. Step 5: Solve for x
    x = 16,634,956,912.81/146,087.48
  6. Step 6: Final answer
    x = 113,869.83

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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.