Home / 165,280.60-248,439.30-162,170.20

Finding the Fourth Proportional to 165,280.60, 248,439.30 and 162,170.20

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Solution

The fourth proportional to 165,280.60, 248,439.30 and 162,170.20 is: 243,763.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,280.60 : 248,439.30 = 162,170.20 : x
  2. Step 2: Convert to fraction form
    165,280.60/248,439.30 = 162,170.20/x
  3. Step 3: Cross multiply
    165,280.60x = 248,439.30 × 162,170.20
  4. Step 4: Simplify right side
    165,280.60x = 40,289,450,968.86
  5. Step 5: Solve for x
    x = 40,289,450,968.86/165,280.60
  6. Step 6: Final answer
    x = 243,763.94

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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.