Home / 103,622.24-143,003.94-61,179.86

Finding the Fourth Proportional to 103,622.24, 143,003.94 and 61,179.86

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Solution

The fourth proportional to 103,622.24, 143,003.94 and 61,179.86 is: 84,431.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,622.24 : 143,003.94 = 61,179.86 : x
  2. Step 2: Convert to fraction form
    103,622.24/143,003.94 = 61,179.86/x
  3. Step 3: Cross multiply
    103,622.24x = 143,003.94 × 61,179.86
  4. Step 4: Simplify right side
    103,622.24x = 8,748,961,028.65
  5. Step 5: Solve for x
    x = 8,748,961,028.65/103,622.24
  6. Step 6: Final answer
    x = 84,431.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.