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Finding the Fourth Proportional to 73,222.62, 109,833.94 and 17,818.62

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Solution

The fourth proportional to 73,222.62, 109,833.94 and 17,818.62 is: 26,727.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,222.62 : 109,833.94 = 17,818.62 : x
  2. Step 2: Convert to fraction form
    73,222.62/109,833.94 = 17,818.62/x
  3. Step 3: Cross multiply
    73,222.62x = 109,833.94 × 17,818.62
  4. Step 4: Simplify right side
    73,222.62x = 1,957,089,239.96
  5. Step 5: Solve for x
    x = 1,957,089,239.96/73,222.62
  6. Step 6: Final answer
    x = 26,727.93

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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.