Home / 202,887.28-279,997.41-113,463.28

Finding the Fourth Proportional to 202,887.28, 279,997.41 and 113,463.28

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Solution

The fourth proportional to 202,887.28, 279,997.41 and 113,463.28 is: 156,586.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,887.28 : 279,997.41 = 113,463.28 : x
  2. Step 2: Convert to fraction form
    202,887.28/279,997.41 = 113,463.28/x
  3. Step 3: Cross multiply
    202,887.28x = 279,997.41 × 113,463.28
  4. Step 4: Simplify right side
    202,887.28x = 31,769,424,667.36
  5. Step 5: Solve for x
    x = 31,769,424,667.36/202,887.28
  6. Step 6: Final answer
    x = 156,586.58

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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.