Home / 104,142.64-143,716.92-56,396.04

Finding the Fourth Proportional to 104,142.64, 143,716.92 and 56,396.04

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Solution

The fourth proportional to 104,142.64, 143,716.92 and 56,396.04 is: 77,826.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,142.64 : 143,716.92 = 56,396.04 : x
  2. Step 2: Convert to fraction form
    104,142.64/143,716.92 = 56,396.04/x
  3. Step 3: Cross multiply
    104,142.64x = 143,716.92 × 56,396.04
  4. Step 4: Simplify right side
    104,142.64x = 8,105,065,169.00
  5. Step 5: Solve for x
    x = 8,105,065,169.00/104,142.64
  6. Step 6: Final answer
    x = 77,826.58

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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.