Home / 259,106.87-388,586.48-164,193.81

Finding the Fourth Proportional to 259,106.87, 388,586.48 and 164,193.81

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Solution

The fourth proportional to 259,106.87, 388,586.48 and 164,193.81 is: 246,243.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,106.87 : 388,586.48 = 164,193.81 : x
  2. Step 2: Convert to fraction form
    259,106.87/388,586.48 = 164,193.81/x
  3. Step 3: Cross multiply
    259,106.87x = 388,586.48 × 164,193.81
  4. Step 4: Simplify right side
    259,106.87x = 63,803,493,844.72
  5. Step 5: Solve for x
    x = 63,803,493,844.72/259,106.87
  6. Step 6: Final answer
    x = 246,243.93

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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.