Home / 104,318.42-143,958.15-56,571.20

Finding the Fourth Proportional to 104,318.42, 143,958.15 and 56,571.20

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Solution

The fourth proportional to 104,318.42, 143,958.15 and 56,571.20 is: 78,067.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,318.42 : 143,958.15 = 56,571.20 : x
  2. Step 2: Convert to fraction form
    104,318.42/143,958.15 = 56,571.20/x
  3. Step 3: Cross multiply
    104,318.42x = 143,958.15 × 56,571.20
  4. Step 4: Simplify right side
    104,318.42x = 8,143,884,575.49
  5. Step 5: Solve for x
    x = 8,143,884,575.49/104,318.42
  6. Step 6: Final answer
    x = 78,067.56

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1.5x scale

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.