Home / 104,212.86-143,813.52-56,467.50

Finding the Fourth Proportional to 104,212.86, 143,813.52 and 56,467.50

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Solution

The fourth proportional to 104,212.86, 143,813.52 and 56,467.50 is: 77,925.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,212.86 : 143,813.52 = 56,467.50 : x
  2. Step 2: Convert to fraction form
    104,212.86/143,813.52 = 56,467.50/x
  3. Step 3: Cross multiply
    104,212.86x = 143,813.52 × 56,467.50
  4. Step 4: Simplify right side
    104,212.86x = 8,120,789,940.60
  5. Step 5: Solve for x
    x = 8,120,789,940.60/104,212.86
  6. Step 6: Final answer
    x = 77,925.03

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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.