Home / 102,019.37-153,040.70-27,142.56

Finding the Fourth Proportional to 102,019.37, 153,040.70 and 27,142.56

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Solution

The fourth proportional to 102,019.37, 153,040.70 and 27,142.56 is: 40,716.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,019.37 : 153,040.70 = 27,142.56 : x
  2. Step 2: Convert to fraction form
    102,019.37/153,040.70 = 27,142.56/x
  3. Step 3: Cross multiply
    102,019.37x = 153,040.70 × 27,142.56
  4. Step 4: Simplify right side
    102,019.37x = 4,153,916,382.19
  5. Step 5: Solve for x
    x = 4,153,916,382.19/102,019.37
  6. Step 6: Final answer
    x = 40,716.94

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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.