Home / 115,293.56-171,794.24-102,716.96

Finding the Fourth Proportional to 115,293.56, 171,794.24 and 102,716.96

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Solution

The fourth proportional to 115,293.56, 171,794.24 and 102,716.96 is: 153,054.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,293.56 : 171,794.24 = 102,716.96 : x
  2. Step 2: Convert to fraction form
    115,293.56/171,794.24 = 102,716.96/x
  3. Step 3: Cross multiply
    115,293.56x = 171,794.24 × 102,716.96
  4. Step 4: Simplify right side
    115,293.56x = 17,646,182,078.31
  5. Step 5: Solve for x
    x = 17,646,182,078.31/115,293.56
  6. Step 6: Final answer
    x = 153,054.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.