Home / 251,914.51-377,865.89-102,114.73

Finding the Fourth Proportional to 251,914.51, 377,865.89 and 102,114.73

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Solution

The fourth proportional to 251,914.51, 377,865.89 and 102,114.73 is: 153,169.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,914.51 : 377,865.89 = 102,114.73 : x
  2. Step 2: Convert to fraction form
    251,914.51/377,865.89 = 102,114.73/x
  3. Step 3: Cross multiply
    251,914.51x = 377,865.89 × 102,114.73
  4. Step 4: Simplify right side
    251,914.51x = 38,585,673,333.56
  5. Step 5: Solve for x
    x = 38,585,673,333.56/251,914.51
  6. Step 6: Final answer
    x = 153,169.71

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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.