Home / 104,175.78-143,762.67-56,429.25

Finding the Fourth Proportional to 104,175.78, 143,762.67 and 56,429.25

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Solution

The fourth proportional to 104,175.78, 143,762.67 and 56,429.25 is: 77,872.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,175.78 : 143,762.67 = 56,429.25 : x
  2. Step 2: Convert to fraction form
    104,175.78/143,762.67 = 56,429.25/x
  3. Step 3: Cross multiply
    104,175.78x = 143,762.67 × 56,429.25
  4. Step 4: Simplify right side
    104,175.78x = 8,112,419,646.10
  5. Step 5: Solve for x
    x = 8,112,419,646.10/104,175.78
  6. Step 6: Final answer
    x = 77,872.42

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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.