Home / 148,791.25-205,344.59-84,271.96

Finding the Fourth Proportional to 148,791.25, 205,344.59 and 84,271.96

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Solution

The fourth proportional to 148,791.25, 205,344.59 and 84,271.96 is: 116,302.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,791.25 : 205,344.59 = 84,271.96 : x
  2. Step 2: Convert to fraction form
    148,791.25/205,344.59 = 84,271.96/x
  3. Step 3: Cross multiply
    148,791.25x = 205,344.59 × 84,271.96
  4. Step 4: Simplify right side
    148,791.25x = 17,304,791,453.05
  5. Step 5: Solve for x
    x = 17,304,791,453.05/148,791.25
  6. Step 6: Final answer
    x = 116,302.48

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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.