Home / 103,644.04-155,414.94-43,661.56

Finding the Fourth Proportional to 103,644.04, 155,414.94 and 43,661.56

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Solution

The fourth proportional to 103,644.04, 155,414.94 and 43,661.56 is: 65,470.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,644.04 : 155,414.94 = 43,661.56 : x
  2. Step 2: Convert to fraction form
    103,644.04/155,414.94 = 43,661.56/x
  3. Step 3: Cross multiply
    103,644.04x = 155,414.94 × 43,661.56
  4. Step 4: Simplify right side
    103,644.04x = 6,785,658,727.71
  5. Step 5: Solve for x
    x = 6,785,658,727.71/103,644.04
  6. Step 6: Final answer
    x = 65,470.80

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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.