Home / 213,982.60-320,828.10-101,716.60

Finding the Fourth Proportional to 213,982.60, 320,828.10 and 101,716.60

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Solution

The fourth proportional to 213,982.60, 320,828.10 and 101,716.60 is: 152,505.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,982.60 : 320,828.10 = 101,716.60 : x
  2. Step 2: Convert to fraction form
    213,982.60/320,828.10 = 101,716.60/x
  3. Step 3: Cross multiply
    213,982.60x = 320,828.10 × 101,716.60
  4. Step 4: Simplify right side
    213,982.60x = 32,633,543,516.46
  5. Step 5: Solve for x
    x = 32,633,543,516.46/213,982.60
  6. Step 6: Final answer
    x = 152,505.59

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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.