Home / 200,025.50-276,060.47-131,172.89

Finding the Fourth Proportional to 200,025.50, 276,060.47 and 131,172.89

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Solution

The fourth proportional to 200,025.50, 276,060.47 and 131,172.89 is: 181,035.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,025.50 : 276,060.47 = 131,172.89 : x
  2. Step 2: Convert to fraction form
    200,025.50/276,060.47 = 131,172.89/x
  3. Step 3: Cross multiply
    200,025.50x = 276,060.47 × 131,172.89
  4. Step 4: Simplify right side
    200,025.50x = 36,211,647,628.49
  5. Step 5: Solve for x
    x = 36,211,647,628.49/200,025.50
  6. Step 6: Final answer
    x = 181,035.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.