Home / 104,108.13-143,669.24-56,361.87

Finding the Fourth Proportional to 104,108.13, 143,669.24 and 56,361.87

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Solution

The fourth proportional to 104,108.13, 143,669.24 and 56,361.87 is: 77,779.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,108.13 : 143,669.24 = 56,361.87 : x
  2. Step 2: Convert to fraction form
    104,108.13/143,669.24 = 56,361.87/x
  3. Step 3: Cross multiply
    104,108.13x = 143,669.24 × 56,361.87
  4. Step 4: Simplify right side
    104,108.13x = 8,097,467,027.88
  5. Step 5: Solve for x
    x = 8,097,467,027.88/104,108.13
  6. Step 6: Final answer
    x = 77,779.39

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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.