Home / 103,783.37-155,734.25-40,608.63

Finding the Fourth Proportional to 103,783.37, 155,734.25 and 40,608.63

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Solution

The fourth proportional to 103,783.37, 155,734.25 and 40,608.63 is: 60,936.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,783.37 : 155,734.25 = 40,608.63 : x
  2. Step 2: Convert to fraction form
    103,783.37/155,734.25 = 40,608.63/x
  3. Step 3: Cross multiply
    103,783.37x = 155,734.25 × 40,608.63
  4. Step 4: Simplify right side
    103,783.37x = 6,324,154,333.53
  5. Step 5: Solve for x
    x = 6,324,154,333.53/103,783.37
  6. Step 6: Final answer
    x = 60,936.11

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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.