Home / 161,072.30-241,501.81-76,845.46

Finding the Fourth Proportional to 161,072.30, 241,501.81 and 76,845.46

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Solution

The fourth proportional to 161,072.30, 241,501.81 and 76,845.46 is: 115,217.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,072.30 : 241,501.81 = 76,845.46 : x
  2. Step 2: Convert to fraction form
    161,072.30/241,501.81 = 76,845.46/x
  3. Step 3: Cross multiply
    161,072.30x = 241,501.81 × 76,845.46
  4. Step 4: Simplify right side
    161,072.30x = 18,558,317,680.28
  5. Step 5: Solve for x
    x = 18,558,317,680.28/161,072.30
  6. Step 6: Final answer
    x = 115,217.31

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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.