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Finding the Fourth Proportional to 132,804.39, 183,270.03 and 73,188.39

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Solution

The fourth proportional to 132,804.39, 183,270.03 and 73,188.39 is: 100,999.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,804.39 : 183,270.03 = 73,188.39 : x
  2. Step 2: Convert to fraction form
    132,804.39/183,270.03 = 73,188.39/x
  3. Step 3: Cross multiply
    132,804.39x = 183,270.03 × 73,188.39
  4. Step 4: Simplify right side
    132,804.39x = 13,413,238,430.95
  5. Step 5: Solve for x
    x = 13,413,238,430.95/132,804.39
  6. Step 6: Final answer
    x = 100,999.96

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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.