Home / 109,716.80-164,575.20-92,002.10

Finding the Fourth Proportional to 109,716.80, 164,575.20 and 92,002.10

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Solution

The fourth proportional to 109,716.80, 164,575.20 and 92,002.10 is: 138,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,716.80 : 164,575.20 = 92,002.10 : x
  2. Step 2: Convert to fraction form
    109,716.80/164,575.20 = 92,002.10/x
  3. Step 3: Cross multiply
    109,716.80x = 164,575.20 × 92,002.10
  4. Step 4: Simplify right side
    109,716.80x = 15,141,264,007.92
  5. Step 5: Solve for x
    x = 15,141,264,007.92/109,716.80
  6. Step 6: Final answer
    x = 138,003.15

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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.