Home / 143,770.87-215,656.26-38,589.82

Finding the Fourth Proportional to 143,770.87, 215,656.26 and 38,589.82

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Solution

The fourth proportional to 143,770.87, 215,656.26 and 38,589.82 is: 57,884.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,770.87 : 215,656.26 = 38,589.82 : x
  2. Step 2: Convert to fraction form
    143,770.87/215,656.26 = 38,589.82/x
  3. Step 3: Cross multiply
    143,770.87x = 215,656.26 × 38,589.82
  4. Step 4: Simplify right side
    143,770.87x = 8,322,136,255.27
  5. Step 5: Solve for x
    x = 8,322,136,255.27/143,770.87
  6. Step 6: Final answer
    x = 57,884.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.