Home / 122,518.25-183,729.78-47,628.48

Finding the Fourth Proportional to 122,518.25, 183,729.78 and 47,628.48

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Solution

The fourth proportional to 122,518.25, 183,729.78 and 47,628.48 is: 71,424.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,518.25 : 183,729.78 = 47,628.48 : x
  2. Step 2: Convert to fraction form
    122,518.25/183,729.78 = 47,628.48/x
  3. Step 3: Cross multiply
    122,518.25x = 183,729.78 × 47,628.48
  4. Step 4: Simplify right side
    122,518.25x = 8,750,770,152.13
  5. Step 5: Solve for x
    x = 8,750,770,152.13/122,518.25
  6. Step 6: Final answer
    x = 71,424.22

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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.