Home / 109,816.44-164,688.21-43,239.30

Finding the Fourth Proportional to 109,816.44, 164,688.21 and 43,239.30

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Solution

The fourth proportional to 109,816.44, 164,688.21 and 43,239.30 is: 64,844.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,816.44 : 164,688.21 = 43,239.30 : x
  2. Step 2: Convert to fraction form
    109,816.44/164,688.21 = 43,239.30/x
  3. Step 3: Cross multiply
    109,816.44x = 164,688.21 × 43,239.30
  4. Step 4: Simplify right side
    109,816.44x = 7,121,002,918.65
  5. Step 5: Solve for x
    x = 7,121,002,918.65/109,816.44
  6. Step 6: Final answer
    x = 64,844.60

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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.