Home / 103,644.10-155,504.55-41,359.30

Finding the Fourth Proportional to 103,644.10, 155,504.55 and 41,359.30

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Solution

The fourth proportional to 103,644.10, 155,504.55 and 41,359.30 is: 62,054.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,644.10 : 155,504.55 = 41,359.30 : x
  2. Step 2: Convert to fraction form
    103,644.10/155,504.55 = 41,359.30/x
  3. Step 3: Cross multiply
    103,644.10x = 155,504.55 × 41,359.30
  4. Step 4: Simplify right side
    103,644.10x = 6,431,559,334.82
  5. Step 5: Solve for x
    x = 6,431,559,334.82/103,644.10
  6. Step 6: Final answer
    x = 62,054.27

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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.