Home / 104,122.34-143,688.18-56,375.54

Finding the Fourth Proportional to 104,122.34, 143,688.18 and 56,375.54

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Solution

The fourth proportional to 104,122.34, 143,688.18 and 56,375.54 is: 77,797.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,122.34 : 143,688.18 = 56,375.54 : x
  2. Step 2: Convert to fraction form
    104,122.34/143,688.18 = 56,375.54/x
  3. Step 3: Cross multiply
    104,122.34x = 143,688.18 × 56,375.54
  4. Step 4: Simplify right side
    104,122.34x = 8,100,498,739.12
  5. Step 5: Solve for x
    x = 8,100,498,739.12/104,122.34
  6. Step 6: Final answer
    x = 77,797.89

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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.