Home / 215,964.34-324,040.07-116,007.91

Finding the Fourth Proportional to 215,964.34, 324,040.07 and 116,007.91

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Solution

The fourth proportional to 215,964.34, 324,040.07 and 116,007.91 is: 174,062.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,964.34 : 324,040.07 = 116,007.91 : x
  2. Step 2: Convert to fraction form
    215,964.34/324,040.07 = 116,007.91/x
  3. Step 3: Cross multiply
    215,964.34x = 324,040.07 × 116,007.91
  4. Step 4: Simplify right side
    215,964.34x = 37,591,211,276.95
  5. Step 5: Solve for x
    x = 37,591,211,276.95/215,964.34
  6. Step 6: Final answer
    x = 174,062.12

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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.