Home / 161,313.31-241,969.93-76,817.29

Finding the Fourth Proportional to 161,313.31, 241,969.93 and 76,817.29

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Solution

The fourth proportional to 161,313.31, 241,969.93 and 76,817.29 is: 115,225.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,313.31 : 241,969.93 = 76,817.29 : x
  2. Step 2: Convert to fraction form
    161,313.31/241,969.93 = 76,817.29/x
  3. Step 3: Cross multiply
    161,313.31x = 241,969.93 × 76,817.29
  4. Step 4: Simplify right side
    161,313.31x = 18,587,473,692.37
  5. Step 5: Solve for x
    x = 18,587,473,692.37/161,313.31
  6. Step 6: Final answer
    x = 115,225.92

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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.