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Finding the Fourth Proportional to 132,852, 183,326.58 and 74,717.44

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Solution

The fourth proportional to 132,852, 183,326.58 and 74,717.44 is: 103,104.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,852 : 183,326.58 = 74,717.44 : x
  2. Step 2: Convert to fraction form
    132,852/183,326.58 = 74,717.44/x
  3. Step 3: Cross multiply
    132,852x = 183,326.58 × 74,717.44
  4. Step 4: Simplify right side
    132,852x = 13,697,692,741.56
  5. Step 5: Solve for x
    x = 13,697,692,741.56/132,852
  6. Step 6: Final answer
    x = 103,104.90

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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.