Home / 115,724.45-172,322.04-111,468.03

Finding the Fourth Proportional to 115,724.45, 172,322.04 and 111,468.03

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Solution

The fourth proportional to 115,724.45, 172,322.04 and 111,468.03 is: 165,983.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,724.45 : 172,322.04 = 111,468.03 : x
  2. Step 2: Convert to fraction form
    115,724.45/172,322.04 = 111,468.03/x
  3. Step 3: Cross multiply
    115,724.45x = 172,322.04 × 111,468.03
  4. Step 4: Simplify right side
    115,724.45x = 19,208,398,324.38
  5. Step 5: Solve for x
    x = 19,208,398,324.38/115,724.45
  6. Step 6: Final answer
    x = 165,983.93

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