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Finding the Fourth Proportional to 122,567.52, 183,868.56 and 43,664.88

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Solution

The fourth proportional to 122,567.52, 183,868.56 and 43,664.88 is: 65,503.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,567.52 : 183,868.56 = 43,664.88 : x
  2. Step 2: Convert to fraction form
    122,567.52/183,868.56 = 43,664.88/x
  3. Step 3: Cross multiply
    122,567.52x = 183,868.56 × 43,664.88
  4. Step 4: Simplify right side
    122,567.52x = 8,028,598,608.17
  5. Step 5: Solve for x
    x = 8,028,598,608.17/122,567.52
  6. Step 6: Final answer
    x = 65,503.48

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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.