Home / 143,986.06-215,810.88-108,332.82

Finding the Fourth Proportional to 143,986.06, 215,810.88 and 108,332.82

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Solution

The fourth proportional to 143,986.06, 215,810.88 and 108,332.82 is: 162,372.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,986.06 : 215,810.88 = 108,332.82 : x
  2. Step 2: Convert to fraction form
    143,986.06/215,810.88 = 108,332.82/x
  3. Step 3: Cross multiply
    143,986.06x = 215,810.88 × 108,332.82
  4. Step 4: Simplify right side
    143,986.06x = 23,379,400,813.24
  5. Step 5: Solve for x
    x = 23,379,400,813.24/143,986.06
  6. Step 6: Final answer
    x = 162,372.67

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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.