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Finding the Fourth Proportional to 144,609.68, 216,834.05 and 44,741.54

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Solution

The fourth proportional to 144,609.68, 216,834.05 and 44,741.54 is: 67,087.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,609.68 : 216,834.05 = 44,741.54 : x
  2. Step 2: Convert to fraction form
    144,609.68/216,834.05 = 44,741.54/x
  3. Step 3: Cross multiply
    144,609.68x = 216,834.05 × 44,741.54
  4. Step 4: Simplify right side
    144,609.68x = 9,701,489,321.44
  5. Step 5: Solve for x
    x = 9,701,489,321.44/144,609.68
  6. Step 6: Final answer
    x = 67,087.41

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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.