Home / 109,400.10-164,085.57-30,507.72

Finding the Fourth Proportional to 109,400.10, 164,085.57 and 30,507.72

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Solution

The fourth proportional to 109,400.10, 164,085.57 and 30,507.72 is: 45,757.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,400.10 : 164,085.57 = 30,507.72 : x
  2. Step 2: Convert to fraction form
    109,400.10/164,085.57 = 30,507.72/x
  3. Step 3: Cross multiply
    109,400.10x = 164,085.57 × 30,507.72
  4. Step 4: Simplify right side
    109,400.10x = 5,005,876,625.60
  5. Step 5: Solve for x
    x = 5,005,876,625.60/109,400.10
  6. Step 6: Final answer
    x = 45,757.51

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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.