Home / 103,784.37-155,735.75-40,609.63

Finding the Fourth Proportional to 103,784.37, 155,735.75 and 40,609.63

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Solution

The fourth proportional to 103,784.37, 155,735.75 and 40,609.63 is: 60,937.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,784.37 : 155,735.75 = 40,609.63 : x
  2. Step 2: Convert to fraction form
    103,784.37/155,735.75 = 40,609.63/x
  3. Step 3: Cross multiply
    103,784.37x = 155,735.75 × 40,609.63
  4. Step 4: Simplify right side
    103,784.37x = 6,324,371,185.27
  5. Step 5: Solve for x
    x = 6,324,371,185.27/103,784.37
  6. Step 6: Final answer
    x = 60,937.61

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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.