Home / 165,098.60-247,647.90-40,439.60

Finding the Fourth Proportional to 165,098.60, 247,647.90 and 40,439.60

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Solution

The fourth proportional to 165,098.60, 247,647.90 and 40,439.60 is: 60,659.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,098.60 : 247,647.90 = 40,439.60 : x
  2. Step 2: Convert to fraction form
    165,098.60/247,647.90 = 40,439.60/x
  3. Step 3: Cross multiply
    165,098.60x = 247,647.90 × 40,439.60
  4. Step 4: Simplify right side
    165,098.60x = 10,014,782,016.84
  5. Step 5: Solve for x
    x = 10,014,782,016.84/165,098.60
  6. Step 6: Final answer
    x = 60,659.40

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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.