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Finding the Fourth Proportional to 118,172.84, 177,207.40 and 44,249

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Solution

The fourth proportional to 118,172.84, 177,207.40 and 44,249 is: 66,354.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,172.84 : 177,207.40 = 44,249 : x
  2. Step 2: Convert to fraction form
    118,172.84/177,207.40 = 44,249/x
  3. Step 3: Cross multiply
    118,172.84x = 177,207.40 × 44,249
  4. Step 4: Simplify right side
    118,172.84x = 7,841,250,242.60
  5. Step 5: Solve for x
    x = 7,841,250,242.60/118,172.84
  6. Step 6: Final answer
    x = 66,354.08

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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.