Home / 122,227.20-183,513.60-75,571.20

Finding the Fourth Proportional to 122,227.20, 183,513.60 and 75,571.20

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Solution

The fourth proportional to 122,227.20, 183,513.60 and 75,571.20 is: 113,463.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,227.20 : 183,513.60 = 75,571.20 : x
  2. Step 2: Convert to fraction form
    122,227.20/183,513.60 = 75,571.20/x
  3. Step 3: Cross multiply
    122,227.20x = 183,513.60 × 75,571.20
  4. Step 4: Simplify right side
    122,227.20x = 13,868,342,968.32
  5. Step 5: Solve for x
    x = 13,868,342,968.32/122,227.20
  6. Step 6: Final answer
    x = 113,463.64

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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.