Home / 193,579.47-290,387.16-75,259.80

Finding the Fourth Proportional to 193,579.47, 290,387.16 and 75,259.80

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Solution

The fourth proportional to 193,579.47, 290,387.16 and 75,259.80 is: 112,896.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,579.47 : 290,387.16 = 75,259.80 : x
  2. Step 2: Convert to fraction form
    193,579.47/290,387.16 = 75,259.80/x
  3. Step 3: Cross multiply
    193,579.47x = 290,387.16 × 75,259.80
  4. Step 4: Simplify right side
    193,579.47x = 21,854,479,584.17
  5. Step 5: Solve for x
    x = 21,854,479,584.17/193,579.47
  6. Step 6: Final answer
    x = 112,896.68

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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.