Home / 165,905.70-248,286.72-101,821.32

Finding the Fourth Proportional to 165,905.70, 248,286.72 and 101,821.32

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Solution

The fourth proportional to 165,905.70, 248,286.72 and 101,821.32 is: 152,381.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,905.70 : 248,286.72 = 101,821.32 : x
  2. Step 2: Convert to fraction form
    165,905.70/248,286.72 = 101,821.32/x
  3. Step 3: Cross multiply
    165,905.70x = 248,286.72 × 101,821.32
  4. Step 4: Simplify right side
    165,905.70x = 25,280,881,568.87
  5. Step 5: Solve for x
    x = 25,280,881,568.87/165,905.70
  6. Step 6: Final answer
    x = 152,381.03

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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.