Home / 116,837.12-161,235.03-63,121.97

Finding the Fourth Proportional to 116,837.12, 161,235.03 and 63,121.97

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Solution

The fourth proportional to 116,837.12, 161,235.03 and 63,121.97 is: 87,108.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,837.12 : 161,235.03 = 63,121.97 : x
  2. Step 2: Convert to fraction form
    116,837.12/161,235.03 = 63,121.97/x
  3. Step 3: Cross multiply
    116,837.12x = 161,235.03 × 63,121.97
  4. Step 4: Simplify right side
    116,837.12x = 10,177,473,129.70
  5. Step 5: Solve for x
    x = 10,177,473,129.70/116,837.12
  6. Step 6: Final answer
    x = 87,108.21

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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.