Home / 181,990.32-273,039.71-131,503.43

Finding the Fourth Proportional to 181,990.32, 273,039.71 and 131,503.43

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Solution

The fourth proportional to 181,990.32, 273,039.71 and 131,503.43 is: 197,294.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,990.32 : 273,039.71 = 131,503.43 : x
  2. Step 2: Convert to fraction form
    181,990.32/273,039.71 = 131,503.43/x
  3. Step 3: Cross multiply
    181,990.32x = 273,039.71 × 131,503.43
  4. Step 4: Simplify right side
    181,990.32x = 35,905,656,368.49
  5. Step 5: Solve for x
    x = 35,905,656,368.49/181,990.32
  6. Step 6: Final answer
    x = 197,294.32

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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.