Home / 187,715.06-281,347.38-131,247.26

Finding the Fourth Proportional to 187,715.06, 281,347.38 and 131,247.26

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Solution

The fourth proportional to 187,715.06, 281,347.38 and 131,247.26 is: 196,713.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,715.06 : 281,347.38 = 131,247.26 : x
  2. Step 2: Convert to fraction form
    187,715.06/281,347.38 = 131,247.26/x
  3. Step 3: Cross multiply
    187,715.06x = 281,347.38 × 131,247.26
  4. Step 4: Simplify right side
    187,715.06x = 36,926,072,733.18
  5. Step 5: Solve for x
    x = 36,926,072,733.18/187,715.06
  6. Step 6: Final answer
    x = 196,713.43

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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.