Home / 109,448.92-164,144.16-30,549.28

Finding the Fourth Proportional to 109,448.92, 164,144.16 and 30,549.28

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Solution

The fourth proportional to 109,448.92, 164,144.16 and 30,549.28 is: 45,815.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,448.92 : 164,144.16 = 30,549.28 : x
  2. Step 2: Convert to fraction form
    109,448.92/164,144.16 = 30,549.28/x
  3. Step 3: Cross multiply
    109,448.92x = 164,144.16 × 30,549.28
  4. Step 4: Simplify right side
    109,448.92x = 5,014,485,904.20
  5. Step 5: Solve for x
    x = 5,014,485,904.20/109,448.92
  6. Step 6: Final answer
    x = 45,815.76

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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.