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Finding the Fourth Proportional to 132,851, 183,334.38 and 76,280.60

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Solution

The fourth proportional to 132,851, 183,334.38 and 76,280.60 is: 105,267.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,851 : 183,334.38 = 76,280.60 : x
  2. Step 2: Convert to fraction form
    132,851/183,334.38 = 76,280.60/x
  3. Step 3: Cross multiply
    132,851x = 183,334.38 × 76,280.60
  4. Step 4: Simplify right side
    132,851x = 13,984,856,507.03
  5. Step 5: Solve for x
    x = 13,984,856,507.03/132,851
  6. Step 6: Final answer
    x = 105,267.23

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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.