Home / 253,171.23-379,839.98-103,537.36

Finding the Fourth Proportional to 253,171.23, 379,839.98 and 103,537.36

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Solution

The fourth proportional to 253,171.23, 379,839.98 and 103,537.36 is: 155,340.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,171.23 : 379,839.98 = 103,537.36 : x
  2. Step 2: Convert to fraction form
    253,171.23/379,839.98 = 103,537.36/x
  3. Step 3: Cross multiply
    253,171.23x = 379,839.98 × 103,537.36
  4. Step 4: Simplify right side
    253,171.23x = 39,327,628,751.65
  5. Step 5: Solve for x
    x = 39,327,628,751.65/253,171.23
  6. Step 6: Final answer
    x = 155,340.04

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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.