Home / 259,733.36-389,622.24-91,239.04

Finding the Fourth Proportional to 259,733.36, 389,622.24 and 91,239.04

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Solution

The fourth proportional to 259,733.36, 389,622.24 and 91,239.04 is: 136,866.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,733.36 : 389,622.24 = 91,239.04 : x
  2. Step 2: Convert to fraction form
    259,733.36/389,622.24 = 91,239.04/x
  3. Step 3: Cross multiply
    259,733.36x = 389,622.24 × 91,239.04
  4. Step 4: Simplify right side
    259,733.36x = 35,548,759,140.25
  5. Step 5: Solve for x
    x = 35,548,759,140.25/259,733.36
  6. Step 6: Final answer
    x = 136,866.36

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1.5x scale

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.