Home / 118,902.53-178,233.89-74,560.43

Finding the Fourth Proportional to 118,902.53, 178,233.89 and 74,560.43

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Solution

The fourth proportional to 118,902.53, 178,233.89 and 74,560.43 is: 111,765.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,902.53 : 178,233.89 = 74,560.43 : x
  2. Step 2: Convert to fraction form
    118,902.53/178,233.89 = 74,560.43/x
  3. Step 3: Cross multiply
    118,902.53x = 178,233.89 × 74,560.43
  4. Step 4: Simplify right side
    118,902.53x = 13,289,195,551.76
  5. Step 5: Solve for x
    x = 13,289,195,551.76/118,902.53
  6. Step 6: Final answer
    x = 111,765.45

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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.