Home / 255,721.03-383,692.34-137,253.94

Finding the Fourth Proportional to 255,721.03, 383,692.34 and 137,253.94

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Solution

The fourth proportional to 255,721.03, 383,692.34 and 137,253.94 is: 205,940.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,721.03 : 383,692.34 = 137,253.94 : x
  2. Step 2: Convert to fraction form
    255,721.03/383,692.34 = 137,253.94/x
  3. Step 3: Cross multiply
    255,721.03x = 383,692.34 × 137,253.94
  4. Step 4: Simplify right side
    255,721.03x = 52,663,284,796.72
  5. Step 5: Solve for x
    x = 52,663,284,796.72/255,721.03
  6. Step 6: Final answer
    x = 205,940.38

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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.