Home / 148,905.33-205,489.08-84,374.43

Finding the Fourth Proportional to 148,905.33, 205,489.08 and 84,374.43

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Solution

The fourth proportional to 148,905.33, 205,489.08 and 84,374.43 is: 116,436.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,905.33 : 205,489.08 = 84,374.43 : x
  2. Step 2: Convert to fraction form
    148,905.33/205,489.08 = 84,374.43/x
  3. Step 3: Cross multiply
    148,905.33x = 205,489.08 × 84,374.43
  4. Step 4: Simplify right side
    148,905.33x = 17,338,023,996.22
  5. Step 5: Solve for x
    x = 17,338,023,996.22/148,905.33
  6. Step 6: Final answer
    x = 116,436.56

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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.