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Finding the Fourth Proportional to 178,843.87, 246,799.59 and 98,271.37

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Solution

The fourth proportional to 178,843.87, 246,799.59 and 98,271.37 is: 135,611.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,843.87 : 246,799.59 = 98,271.37 : x
  2. Step 2: Convert to fraction form
    178,843.87/246,799.59 = 98,271.37/x
  3. Step 3: Cross multiply
    178,843.87x = 246,799.59 × 98,271.37
  4. Step 4: Simplify right side
    178,843.87x = 24,253,333,824.74
  5. Step 5: Solve for x
    x = 24,253,333,824.74/178,843.87
  6. Step 6: Final answer
    x = 135,611.77

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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.