Home / 109,922.70-164,884.05-109,145.10

Finding the Fourth Proportional to 109,922.70, 164,884.05 and 109,145.10

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Solution

The fourth proportional to 109,922.70, 164,884.05 and 109,145.10 is: 163,717.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,922.70 : 164,884.05 = 109,145.10 : x
  2. Step 2: Convert to fraction form
    109,922.70/164,884.05 = 109,145.10/x
  3. Step 3: Cross multiply
    109,922.70x = 164,884.05 × 109,145.10
  4. Step 4: Simplify right side
    109,922.70x = 17,996,286,125.66
  5. Step 5: Solve for x
    x = 17,996,286,125.66/109,922.70
  6. Step 6: Final answer
    x = 163,717.65

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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.