Home / 116,991.57-161,444.13-73,407.62

Finding the Fourth Proportional to 116,991.57, 161,444.13 and 73,407.62

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Solution

The fourth proportional to 116,991.57, 161,444.13 and 73,407.62 is: 101,299.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,991.57 : 161,444.13 = 73,407.62 : x
  2. Step 2: Convert to fraction form
    116,991.57/161,444.13 = 73,407.62/x
  3. Step 3: Cross multiply
    116,991.57x = 161,444.13 × 73,407.62
  4. Step 4: Simplify right side
    116,991.57x = 11,851,228,172.01
  5. Step 5: Solve for x
    x = 11,851,228,172.01/116,991.57
  6. Step 6: Final answer
    x = 101,299.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.