Home / 104,376.40-144,039.44-56,629.75

Finding the Fourth Proportional to 104,376.40, 144,039.44 and 56,629.75

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Solution

The fourth proportional to 104,376.40, 144,039.44 and 56,629.75 is: 78,149.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,376.40 : 144,039.44 = 56,629.75 : x
  2. Step 2: Convert to fraction form
    104,376.40/144,039.44 = 56,629.75/x
  3. Step 3: Cross multiply
    104,376.40x = 144,039.44 × 56,629.75
  4. Step 4: Simplify right side
    104,376.40x = 8,156,917,477.34
  5. Step 5: Solve for x
    x = 8,156,917,477.34/104,376.40
  6. Step 6: Final answer
    x = 78,149.06

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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.