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Finding the Fourth Proportional to 173,025.20, 259,537.80 and 133,659.20

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Solution

The fourth proportional to 173,025.20, 259,537.80 and 133,659.20 is: 200,488.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,025.20 : 259,537.80 = 133,659.20 : x
  2. Step 2: Convert to fraction form
    173,025.20/259,537.80 = 133,659.20/x
  3. Step 3: Cross multiply
    173,025.20x = 259,537.80 × 133,659.20
  4. Step 4: Simplify right side
    173,025.20x = 34,689,614,717.76
  5. Step 5: Solve for x
    x = 34,689,614,717.76/173,025.20
  6. Step 6: Final answer
    x = 200,488.80

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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.