Home / 143,979.82-216,035.37-73,908.38

Finding the Fourth Proportional to 143,979.82, 216,035.37 and 73,908.38

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Solution

The fourth proportional to 143,979.82, 216,035.37 and 73,908.38 is: 110,896.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,979.82 : 216,035.37 = 73,908.38 : x
  2. Step 2: Convert to fraction form
    143,979.82/216,035.37 = 73,908.38/x
  3. Step 3: Cross multiply
    143,979.82x = 216,035.37 × 73,908.38
  4. Step 4: Simplify right side
    143,979.82x = 15,966,824,219.40
  5. Step 5: Solve for x
    x = 15,966,824,219.40/143,979.82
  6. Step 6: Final answer
    x = 110,896.26

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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.