Home / 109,664.82-164,464.07-57,045.60

Finding the Fourth Proportional to 109,664.82, 164,464.07 and 57,045.60

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Solution

The fourth proportional to 109,664.82, 164,464.07 and 57,045.60 is: 85,551.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,664.82 : 164,464.07 = 57,045.60 : x
  2. Step 2: Convert to fraction form
    109,664.82/164,464.07 = 57,045.60/x
  3. Step 3: Cross multiply
    109,664.82x = 164,464.07 × 57,045.60
  4. Step 4: Simplify right side
    109,664.82x = 9,381,951,266.36
  5. Step 5: Solve for x
    x = 9,381,951,266.36/109,664.82
  6. Step 6: Final answer
    x = 85,551.15

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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.