Home / 190,032.80-285,065.52-49,791.44

Finding the Fourth Proportional to 190,032.80, 285,065.52 and 49,791.44

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Solution

The fourth proportional to 190,032.80, 285,065.52 and 49,791.44 is: 74,691.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,032.80 : 285,065.52 = 49,791.44 : x
  2. Step 2: Convert to fraction form
    190,032.80/285,065.52 = 49,791.44/x
  3. Step 3: Cross multiply
    190,032.80x = 285,065.52 × 49,791.44
  4. Step 4: Simplify right side
    190,032.80x = 14,193,822,735.15
  5. Step 5: Solve for x
    x = 14,193,822,735.15/190,032.80
  6. Step 6: Final answer
    x = 74,691.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.