Home / 259,696.26-389,594.88-99,760.50

Finding the Fourth Proportional to 259,696.26, 389,594.88 and 99,760.50

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Solution

The fourth proportional to 259,696.26, 389,594.88 and 99,760.50 is: 149,660.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,696.26 : 389,594.88 = 99,760.50 : x
  2. Step 2: Convert to fraction form
    259,696.26/389,594.88 = 99,760.50/x
  3. Step 3: Cross multiply
    259,696.26x = 389,594.88 × 99,760.50
  4. Step 4: Simplify right side
    259,696.26x = 38,866,180,026.24
  5. Step 5: Solve for x
    x = 38,866,180,026.24/259,696.26
  6. Step 6: Final answer
    x = 149,660.15

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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.