Home / 122,627.28-183,843.16-112,786.32

Finding the Fourth Proportional to 122,627.28, 183,843.16 and 112,786.32

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Solution

The fourth proportional to 122,627.28, 183,843.16 and 112,786.32 is: 169,089.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,627.28 : 183,843.16 = 112,786.32 : x
  2. Step 2: Convert to fraction form
    122,627.28/183,843.16 = 112,786.32/x
  3. Step 3: Cross multiply
    122,627.28x = 183,843.16 × 112,786.32
  4. Step 4: Simplify right side
    122,627.28x = 20,734,993,473.57
  5. Step 5: Solve for x
    x = 20,734,993,473.57/122,627.28
  6. Step 6: Final answer
    x = 169,089.57

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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.