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Finding the Fourth Proportional to 148,435, 204,841.02 and 88,819

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Solution

The fourth proportional to 148,435, 204,841.02 and 88,819 is: 122,570.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,435 : 204,841.02 = 88,819 : x
  2. Step 2: Convert to fraction form
    148,435/204,841.02 = 88,819/x
  3. Step 3: Cross multiply
    148,435x = 204,841.02 × 88,819
  4. Step 4: Simplify right side
    148,435x = 18,193,774,555.38
  5. Step 5: Solve for x
    x = 18,193,774,555.38/148,435
  6. Step 6: Final answer
    x = 122,570.65

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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.