Home / 259,170.64-388,729.66-69,606.36

Finding the Fourth Proportional to 259,170.64, 388,729.66 and 69,606.36

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Solution

The fourth proportional to 259,170.64, 388,729.66 and 69,606.36 is: 104,402.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,170.64 : 388,729.66 = 69,606.36 : x
  2. Step 2: Convert to fraction form
    259,170.64/388,729.66 = 69,606.36/x
  3. Step 3: Cross multiply
    259,170.64x = 388,729.66 × 69,606.36
  4. Step 4: Simplify right side
    259,170.64x = 27,058,056,656.64
  5. Step 5: Solve for x
    x = 27,058,056,656.64/259,170.64
  6. Step 6: Final answer
    x = 104,402.48

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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.