Home / 253,188.24-379,865.46-103,554.36

Finding the Fourth Proportional to 253,188.24, 379,865.46 and 103,554.36

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Solution

The fourth proportional to 253,188.24, 379,865.46 and 103,554.36 is: 155,365.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,188.24 : 379,865.46 = 103,554.36 : x
  2. Step 2: Convert to fraction form
    253,188.24/379,865.46 = 103,554.36/x
  3. Step 3: Cross multiply
    253,188.24x = 379,865.46 × 103,554.36
  4. Step 4: Simplify right side
    253,188.24x = 39,336,724,596.41
  5. Step 5: Solve for x
    x = 39,336,724,596.41/253,188.24
  6. Step 6: Final answer
    x = 155,365.53

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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.