Home / 143,517.02-215,321.67-43,696.55

Finding the Fourth Proportional to 143,517.02, 215,321.67 and 43,696.55

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Solution

The fourth proportional to 143,517.02, 215,321.67 and 43,696.55 is: 65,558.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,517.02 : 215,321.67 = 43,696.55 : x
  2. Step 2: Convert to fraction form
    143,517.02/215,321.67 = 43,696.55/x
  3. Step 3: Cross multiply
    143,517.02x = 215,321.67 × 43,696.55
  4. Step 4: Simplify right side
    143,517.02x = 9,408,814,119.24
  5. Step 5: Solve for x
    x = 9,408,814,119.24/143,517.02
  6. Step 6: Final answer
    x = 65,558.87

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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.