Home / 165,680.40-248,520.60-106,631.40

Finding the Fourth Proportional to 165,680.40, 248,520.60 and 106,631.40

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Solution

The fourth proportional to 165,680.40, 248,520.60 and 106,631.40 is: 159,947.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,680.40 : 248,520.60 = 106,631.40 : x
  2. Step 2: Convert to fraction form
    165,680.40/248,520.60 = 106,631.40/x
  3. Step 3: Cross multiply
    165,680.40x = 248,520.60 × 106,631.40
  4. Step 4: Simplify right side
    165,680.40x = 26,500,099,506.84
  5. Step 5: Solve for x
    x = 26,500,099,506.84/165,680.40
  6. Step 6: Final answer
    x = 159,947.10

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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.