Home / 104,083.86-143,635.47-56,336.82

Finding the Fourth Proportional to 104,083.86, 143,635.47 and 56,336.82

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Solution

The fourth proportional to 104,083.86, 143,635.47 and 56,336.82 is: 77,744.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,083.86 : 143,635.47 = 56,336.82 : x
  2. Step 2: Convert to fraction form
    104,083.86/143,635.47 = 56,336.82/x
  3. Step 3: Cross multiply
    104,083.86x = 143,635.47 × 56,336.82
  4. Step 4: Simplify right side
    104,083.86x = 8,091,965,619.01
  5. Step 5: Solve for x
    x = 8,091,965,619.01/104,083.86
  6. Step 6: Final answer
    x = 77,744.67

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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.