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Finding the Fourth Proportional to 148,434, 204,839.64 and 88,818

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Solution

The fourth proportional to 148,434, 204,839.64 and 88,818 is: 122,569.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,434 : 204,839.64 = 88,818 : x
  2. Step 2: Convert to fraction form
    148,434/204,839.64 = 88,818/x
  3. Step 3: Cross multiply
    148,434x = 204,839.64 × 88,818
  4. Step 4: Simplify right side
    148,434x = 18,193,447,145.52
  5. Step 5: Solve for x
    x = 18,193,447,145.52/148,434
  6. Step 6: Final answer
    x = 122,569.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.