Home / 122,405.37-183,590.78-39,288.57

Finding the Fourth Proportional to 122,405.37, 183,590.78 and 39,288.57

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Solution

The fourth proportional to 122,405.37, 183,590.78 and 39,288.57 is: 58,927.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,405.37 : 183,590.78 = 39,288.57 : x
  2. Step 2: Convert to fraction form
    122,405.37/183,590.78 = 39,288.57/x
  3. Step 3: Cross multiply
    122,405.37x = 183,590.78 × 39,288.57
  4. Step 4: Simplify right side
    122,405.37x = 7,213,019,014.94
  5. Step 5: Solve for x
    x = 7,213,019,014.94/122,405.37
  6. Step 6: Final answer
    x = 58,927.31

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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.