Home / 240,186.88-331,456-132,764.16

Finding the Fourth Proportional to 240,186.88, 331,456 and 132,764.16

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Solution

The fourth proportional to 240,186.88, 331,456 and 132,764.16 is: 183,213.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,186.88 : 331,456 = 132,764.16 : x
  2. Step 2: Convert to fraction form
    240,186.88/331,456 = 132,764.16/x
  3. Step 3: Cross multiply
    240,186.88x = 331,456 × 132,764.16
  4. Step 4: Simplify right side
    240,186.88x = 44,005,477,416.96
  5. Step 5: Solve for x
    x = 44,005,477,416.96/240,186.88
  6. Step 6: Final answer
    x = 183,213.49

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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.