Home / 115,028.34-172,559.92-36,135.14

Finding the Fourth Proportional to 115,028.34, 172,559.92 and 36,135.14

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Solution

The fourth proportional to 115,028.34, 172,559.92 and 36,135.14 is: 54,208.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,028.34 : 172,559.92 = 36,135.14 : x
  2. Step 2: Convert to fraction form
    115,028.34/172,559.92 = 36,135.14/x
  3. Step 3: Cross multiply
    115,028.34x = 172,559.92 × 36,135.14
  4. Step 4: Simplify right side
    115,028.34x = 6,235,476,867.59
  5. Step 5: Solve for x
    x = 6,235,476,867.59/115,028.34
  6. Step 6: Final answer
    x = 54,208.18

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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.