Home / 103,617.60-155,453.73-43,651.41

Finding the Fourth Proportional to 103,617.60, 155,453.73 and 43,651.41

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Solution

The fourth proportional to 103,617.60, 155,453.73 and 43,651.41 is: 65,488.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,617.60 : 155,453.73 = 43,651.41 : x
  2. Step 2: Convert to fraction form
    103,617.60/155,453.73 = 43,651.41/x
  3. Step 3: Cross multiply
    103,617.60x = 155,453.73 × 43,651.41
  4. Step 4: Simplify right side
    103,617.60x = 6,785,774,504.26
  5. Step 5: Solve for x
    x = 6,785,774,504.26/103,617.60
  6. Step 6: Final answer
    x = 65,488.63

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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.