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Finding the Fourth Proportional to 183,864.99, 275,815.40 and 71,554.34

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Solution

The fourth proportional to 183,864.99, 275,815.40 and 71,554.34 is: 107,338.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,864.99 : 275,815.40 = 71,554.34 : x
  2. Step 2: Convert to fraction form
    183,864.99/275,815.40 = 71,554.34/x
  3. Step 3: Cross multiply
    183,864.99x = 275,815.40 × 71,554.34
  4. Step 4: Simplify right side
    183,864.99x = 19,735,788,292.88
  5. Step 5: Solve for x
    x = 19,735,788,292.88/183,864.99
  6. Step 6: Final answer
    x = 107,338.48

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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.