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Finding the Fourth Proportional to 175,902.40, 263,356.80 and 136,914.40

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Solution

The fourth proportional to 175,902.40, 263,356.80 and 136,914.40 is: 204,984.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,902.40 : 263,356.80 = 136,914.40 : x
  2. Step 2: Convert to fraction form
    175,902.40/263,356.80 = 136,914.40/x
  3. Step 3: Cross multiply
    175,902.40x = 263,356.80 × 136,914.40
  4. Step 4: Simplify right side
    175,902.40x = 36,057,338,257.92
  5. Step 5: Solve for x
    x = 36,057,338,257.92/175,902.40
  6. Step 6: Final answer
    x = 204,984.91

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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.