Home / 253,189.24-379,866.96-103,555.36

Finding the Fourth Proportional to 253,189.24, 379,866.96 and 103,555.36

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Solution

The fourth proportional to 253,189.24, 379,866.96 and 103,555.36 is: 155,367.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,189.24 : 379,866.96 = 103,555.36 : x
  2. Step 2: Convert to fraction form
    253,189.24/379,866.96 = 103,555.36/x
  3. Step 3: Cross multiply
    253,189.24x = 379,866.96 × 103,555.36
  4. Step 4: Simplify right side
    253,189.24x = 39,337,259,794.91
  5. Step 5: Solve for x
    x = 39,337,259,794.91/253,189.24
  6. Step 6: Final answer
    x = 155,367.03

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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.