Home / 104,157.27-143,736.99-56,410.62

Finding the Fourth Proportional to 104,157.27, 143,736.99 and 56,410.62

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Solution

The fourth proportional to 104,157.27, 143,736.99 and 56,410.62 is: 77,846.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,157.27 : 143,736.99 = 56,410.62 : x
  2. Step 2: Convert to fraction form
    104,157.27/143,736.99 = 56,410.62/x
  3. Step 3: Cross multiply
    104,157.27x = 143,736.99 × 56,410.62
  4. Step 4: Simplify right side
    104,157.27x = 8,108,292,722.83
  5. Step 5: Solve for x
    x = 8,108,292,722.83/104,157.27
  6. Step 6: Final answer
    x = 77,846.63

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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.