Home / 109,984.75-164,977.13-39,864.13

Finding the Fourth Proportional to 109,984.75, 164,977.13 and 39,864.13

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Solution

The fourth proportional to 109,984.75, 164,977.13 and 39,864.13 is: 59,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,984.75 : 164,977.13 = 39,864.13 : x
  2. Step 2: Convert to fraction form
    109,984.75/164,977.13 = 39,864.13/x
  3. Step 3: Cross multiply
    109,984.75x = 164,977.13 × 39,864.13
  4. Step 4: Simplify right side
    109,984.75x = 6,576,669,558.03
  5. Step 5: Solve for x
    x = 6,576,669,558.03/109,984.75
  6. Step 6: Final answer
    x = 59,796.20

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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.