Home / 116,960.33-161,405.13-63,245.21

Finding the Fourth Proportional to 116,960.33, 161,405.13 and 63,245.21

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Solution

The fourth proportional to 116,960.33, 161,405.13 and 63,245.21 is: 87,278.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,960.33 : 161,405.13 = 63,245.21 : x
  2. Step 2: Convert to fraction form
    116,960.33/161,405.13 = 63,245.21/x
  3. Step 3: Cross multiply
    116,960.33x = 161,405.13 × 63,245.21
  4. Step 4: Simplify right side
    116,960.33x = 10,208,100,534.90
  5. Step 5: Solve for x
    x = 10,208,100,534.90/116,960.33
  6. Step 6: Final answer
    x = 87,278.32

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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.