Home / 122,369.55-183,518.82-51,290.30

Finding the Fourth Proportional to 122,369.55, 183,518.82 and 51,290.30

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Solution

The fourth proportional to 122,369.55, 183,518.82 and 51,290.30 is: 76,920.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,369.55 : 183,518.82 = 51,290.30 : x
  2. Step 2: Convert to fraction form
    122,369.55/183,518.82 = 51,290.30/x
  3. Step 3: Cross multiply
    122,369.55x = 183,518.82 × 51,290.30
  4. Step 4: Simplify right side
    122,369.55x = 9,412,734,415.85
  5. Step 5: Solve for x
    x = 9,412,734,415.85/122,369.55
  6. Step 6: Final answer
    x = 76,920.56

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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.