Home / 161,281.76-241,996.08-82,355.36

Finding the Fourth Proportional to 161,281.76, 241,996.08 and 82,355.36

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Solution

The fourth proportional to 161,281.76, 241,996.08 and 82,355.36 is: 123,570.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,281.76 : 241,996.08 = 82,355.36 : x
  2. Step 2: Convert to fraction form
    161,281.76/241,996.08 = 82,355.36/x
  3. Step 3: Cross multiply
    161,281.76x = 241,996.08 × 82,355.36
  4. Step 4: Simplify right side
    161,281.76x = 19,929,674,286.99
  5. Step 5: Solve for x
    x = 19,929,674,286.99/161,281.76
  6. Step 6: Final answer
    x = 123,570.54

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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.