Home / 109,976.31-164,964.41-39,855.51

Finding the Fourth Proportional to 109,976.31, 164,964.41 and 39,855.51

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Solution

The fourth proportional to 109,976.31, 164,964.41 and 39,855.51 is: 59,783.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,976.31 : 164,964.41 = 39,855.51 : x
  2. Step 2: Convert to fraction form
    109,976.31/164,964.41 = 39,855.51/x
  3. Step 3: Cross multiply
    109,976.31x = 164,964.41 × 39,855.51
  4. Step 4: Simplify right side
    109,976.31x = 6,574,740,493.12
  5. Step 5: Solve for x
    x = 6,574,740,493.12/109,976.31
  6. Step 6: Final answer
    x = 59,783.24

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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.