Home / 258,972.69-388,822.48-132,703.67

Finding the Fourth Proportional to 258,972.69, 388,822.48 and 132,703.67

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Solution

The fourth proportional to 258,972.69, 388,822.48 and 132,703.67 is: 199,241.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,972.69 : 388,822.48 = 132,703.67 : x
  2. Step 2: Convert to fraction form
    258,972.69/388,822.48 = 132,703.67/x
  3. Step 3: Cross multiply
    258,972.69x = 388,822.48 × 132,703.67
  4. Step 4: Simplify right side
    258,972.69x = 51,598,168,527.67
  5. Step 5: Solve for x
    x = 51,598,168,527.67/258,972.69
  6. Step 6: Final answer
    x = 199,241.73

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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.