Home / 109,966.64-164,837.28-43,379.78

Finding the Fourth Proportional to 109,966.64, 164,837.28 and 43,379.78

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Solution

The fourth proportional to 109,966.64, 164,837.28 and 43,379.78 is: 65,025.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,966.64 : 164,837.28 = 43,379.78 : x
  2. Step 2: Convert to fraction form
    109,966.64/164,837.28 = 43,379.78/x
  3. Step 3: Cross multiply
    109,966.64x = 164,837.28 × 43,379.78
  4. Step 4: Simplify right side
    109,966.64x = 7,150,604,942.20
  5. Step 5: Solve for x
    x = 7,150,604,942.20/109,966.64
  6. Step 6: Final answer
    x = 65,025.22

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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.