Home / 272,018.20-408,092.10-131,661.40

Finding the Fourth Proportional to 272,018.20, 408,092.10 and 131,661.40

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Solution

The fourth proportional to 272,018.20, 408,092.10 and 131,661.40 is: 197,523.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,018.20 : 408,092.10 = 131,661.40 : x
  2. Step 2: Convert to fraction form
    272,018.20/408,092.10 = 131,661.40/x
  3. Step 3: Cross multiply
    272,018.20x = 408,092.10 × 131,661.40
  4. Step 4: Simplify right side
    272,018.20x = 53,729,977,214.94
  5. Step 5: Solve for x
    x = 53,729,977,214.94/272,018.20
  6. Step 6: Final answer
    x = 197,523.46

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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.