Home / 109,687.29-164,496.91-39,557.49

Finding the Fourth Proportional to 109,687.29, 164,496.91 and 39,557.49

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Solution

The fourth proportional to 109,687.29, 164,496.91 and 39,557.49 is: 59,323.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,687.29 : 164,496.91 = 39,557.49 : x
  2. Step 2: Convert to fraction form
    109,687.29/164,496.91 = 39,557.49/x
  3. Step 3: Cross multiply
    109,687.29x = 164,496.91 × 39,557.49
  4. Step 4: Simplify right side
    109,687.29x = 6,507,084,872.36
  5. Step 5: Solve for x
    x = 6,507,084,872.36/109,687.29
  6. Step 6: Final answer
    x = 59,323.96

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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.