Home / 87,114.29-130,688.44-27,945.41

Finding the Fourth Proportional to 87,114.29, 130,688.44 and 27,945.41

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Solution

The fourth proportional to 87,114.29, 130,688.44 and 27,945.41 is: 41,923.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,114.29 : 130,688.44 = 27,945.41 : x
  2. Step 2: Convert to fraction form
    87,114.29/130,688.44 = 27,945.41/x
  3. Step 3: Cross multiply
    87,114.29x = 130,688.44 × 27,945.41
  4. Step 4: Simplify right side
    87,114.29x = 3,652,141,314.75
  5. Step 5: Solve for x
    x = 3,652,141,314.75/87,114.29
  6. Step 6: Final answer
    x = 41,923.56

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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.