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Finding the Fourth Proportional to 183,129.80, 274,694.70 and 165,050.60

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Solution

The fourth proportional to 183,129.80, 274,694.70 and 165,050.60 is: 247,575.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,129.80 : 274,694.70 = 165,050.60 : x
  2. Step 2: Convert to fraction form
    183,129.80/274,694.70 = 165,050.60/x
  3. Step 3: Cross multiply
    183,129.80x = 274,694.70 × 165,050.60
  4. Step 4: Simplify right side
    183,129.80x = 45,338,525,051.82
  5. Step 5: Solve for x
    x = 45,338,525,051.82/183,129.80
  6. Step 6: Final answer
    x = 247,575.90

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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.