Home / 165,059.60-247,589.40-40,400.60

Finding the Fourth Proportional to 165,059.60, 247,589.40 and 40,400.60

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Solution

The fourth proportional to 165,059.60, 247,589.40 and 40,400.60 is: 60,600.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,059.60 : 247,589.40 = 40,400.60 : x
  2. Step 2: Convert to fraction form
    165,059.60/247,589.40 = 40,400.60/x
  3. Step 3: Cross multiply
    165,059.60x = 247,589.40 × 40,400.60
  4. Step 4: Simplify right side
    165,059.60x = 10,002,760,313.64
  5. Step 5: Solve for x
    x = 10,002,760,313.64/165,059.60
  6. Step 6: Final answer
    x = 60,600.90

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1.5x scale

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.