Home / 203,950.09-305,579.67-124,899.15

Finding the Fourth Proportional to 203,950.09, 305,579.67 and 124,899.15

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Solution

The fourth proportional to 203,950.09, 305,579.67 and 124,899.15 is: 187,137.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,950.09 : 305,579.67 = 124,899.15 : x
  2. Step 2: Convert to fraction form
    203,950.09/305,579.67 = 124,899.15/x
  3. Step 3: Cross multiply
    203,950.09x = 305,579.67 × 124,899.15
  4. Step 4: Simplify right side
    203,950.09x = 38,166,641,040.28
  5. Step 5: Solve for x
    x = 38,166,641,040.28/203,950.09
  6. Step 6: Final answer
    x = 187,137.16

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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.