Home / 103,185.07-154,751.63-39,983.50

Finding the Fourth Proportional to 103,185.07, 154,751.63 and 39,983.50

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Solution

The fourth proportional to 103,185.07, 154,751.63 and 39,983.50 is: 59,965.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,185.07 : 154,751.63 = 39,983.50 : x
  2. Step 2: Convert to fraction form
    103,185.07/154,751.63 = 39,983.50/x
  3. Step 3: Cross multiply
    103,185.07x = 154,751.63 × 39,983.50
  4. Step 4: Simplify right side
    103,185.07x = 6,187,511,791.63
  5. Step 5: Solve for x
    x = 6,187,511,791.63/103,185.07
  6. Step 6: Final answer
    x = 59,965.19

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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.