Home / 161,299.56-241,770.06-121,728.36

Finding the Fourth Proportional to 161,299.56, 241,770.06 and 121,728.36

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Solution

The fourth proportional to 161,299.56, 241,770.06 and 121,728.36 is: 182,457.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,299.56 : 241,770.06 = 121,728.36 : x
  2. Step 2: Convert to fraction form
    161,299.56/241,770.06 = 121,728.36/x
  3. Step 3: Cross multiply
    161,299.56x = 241,770.06 × 121,728.36
  4. Step 4: Simplify right side
    161,299.56x = 29,430,272,900.90
  5. Step 5: Solve for x
    x = 29,430,272,900.90/161,299.56
  6. Step 6: Final answer
    x = 182,457.24

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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.