Home / 136,311.94-188,106.06-75,880.60

Finding the Fourth Proportional to 136,311.94, 188,106.06 and 75,880.60

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Solution

The fourth proportional to 136,311.94, 188,106.06 and 75,880.60 is: 104,712.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,311.94 : 188,106.06 = 75,880.60 : x
  2. Step 2: Convert to fraction form
    136,311.94/188,106.06 = 75,880.60/x
  3. Step 3: Cross multiply
    136,311.94x = 188,106.06 × 75,880.60
  4. Step 4: Simplify right side
    136,311.94x = 14,273,600,696.44
  5. Step 5: Solve for x
    x = 14,273,600,696.44/136,311.94
  6. Step 6: Final answer
    x = 104,712.77

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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.