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Finding the Fourth Proportional to 77,503, 116,255.58 and 22,099

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Solution

The fourth proportional to 77,503, 116,255.58 and 22,099 is: 33,148.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,503 : 116,255.58 = 22,099 : x
  2. Step 2: Convert to fraction form
    77,503/116,255.58 = 22,099/x
  3. Step 3: Cross multiply
    77,503x = 116,255.58 × 22,099
  4. Step 4: Simplify right side
    77,503x = 2,569,132,062.42
  5. Step 5: Solve for x
    x = 2,569,132,062.42/77,503
  6. Step 6: Final answer
    x = 33,148.81

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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.