Home / 199,529.47-299,399.29-115,348.75

Finding the Fourth Proportional to 199,529.47, 299,399.29 and 115,348.75

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Solution

The fourth proportional to 199,529.47, 299,399.29 and 115,348.75 is: 173,083.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,529.47 : 299,399.29 = 115,348.75 : x
  2. Step 2: Convert to fraction form
    199,529.47/299,399.29 = 115,348.75/x
  3. Step 3: Cross multiply
    199,529.47x = 299,399.29 × 115,348.75
  4. Step 4: Simplify right side
    199,529.47x = 34,535,333,464.35
  5. Step 5: Solve for x
    x = 34,535,333,464.35/199,529.47
  6. Step 6: Final answer
    x = 173,083.88

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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.