Home / 104,342.82-143,989.20-56,594.58

Finding the Fourth Proportional to 104,342.82, 143,989.20 and 56,594.58

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Solution

The fourth proportional to 104,342.82, 143,989.20 and 56,594.58 is: 78,098.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,342.82 : 143,989.20 = 56,594.58 : x
  2. Step 2: Convert to fraction form
    104,342.82/143,989.20 = 56,594.58/x
  3. Step 3: Cross multiply
    104,342.82x = 143,989.20 × 56,594.58
  4. Step 4: Simplify right side
    104,342.82x = 8,149,008,298.54
  5. Step 5: Solve for x
    x = 8,149,008,298.54/104,342.82
  6. Step 6: Final answer
    x = 78,098.41

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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.