Home / 77,180.81-115,767.70-32,183.60

Finding the Fourth Proportional to 77,180.81, 115,767.70 and 32,183.60

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Solution

The fourth proportional to 77,180.81, 115,767.70 and 32,183.60 is: 48,273.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,180.81 : 115,767.70 = 32,183.60 : x
  2. Step 2: Convert to fraction form
    77,180.81/115,767.70 = 32,183.60/x
  3. Step 3: Cross multiply
    77,180.81x = 115,767.70 × 32,183.60
  4. Step 4: Simplify right side
    77,180.81x = 3,725,820,690.42
  5. Step 5: Solve for x
    x = 3,725,820,690.42/77,180.81
  6. Step 6: Final answer
    x = 48,273.93

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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.