Home / 268,012.86-369,858.04-159,138.93

Finding the Fourth Proportional to 268,012.86, 369,858.04 and 159,138.93

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Solution

The fourth proportional to 268,012.86, 369,858.04 and 159,138.93 is: 219,611.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,012.86 : 369,858.04 = 159,138.93 : x
  2. Step 2: Convert to fraction form
    268,012.86/369,858.04 = 159,138.93/x
  3. Step 3: Cross multiply
    268,012.86x = 369,858.04 × 159,138.93
  4. Step 4: Simplify right side
    268,012.86x = 58,858,813,762.88
  5. Step 5: Solve for x
    x = 58,858,813,762.88/268,012.86
  6. Step 6: Final answer
    x = 219,611.90

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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.