Home / 259,723.96-389,597.04-101,986.60

Finding the Fourth Proportional to 259,723.96, 389,597.04 and 101,986.60

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Solution

The fourth proportional to 259,723.96, 389,597.04 and 101,986.60 is: 152,984.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,723.96 : 389,597.04 = 101,986.60 : x
  2. Step 2: Convert to fraction form
    259,723.96/389,597.04 = 101,986.60/x
  3. Step 3: Cross multiply
    259,723.96x = 389,597.04 × 101,986.60
  4. Step 4: Simplify right side
    259,723.96x = 39,733,677,479.66
  5. Step 5: Solve for x
    x = 39,733,677,479.66/259,723.96
  6. Step 6: Final answer
    x = 152,984.26

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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.