Home / 272,023.20-408,099.60-131,666.40

Finding the Fourth Proportional to 272,023.20, 408,099.60 and 131,666.40

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Solution

The fourth proportional to 272,023.20, 408,099.60 and 131,666.40 is: 197,530.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,023.20 : 408,099.60 = 131,666.40 : x
  2. Step 2: Convert to fraction form
    272,023.20/408,099.60 = 131,666.40/x
  3. Step 3: Cross multiply
    272,023.20x = 408,099.60 × 131,666.40
  4. Step 4: Simplify right side
    272,023.20x = 53,733,005,173.44
  5. Step 5: Solve for x
    x = 53,733,005,173.44/272,023.20
  6. Step 6: Final answer
    x = 197,530.96

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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.