Home / 253,821.55-350,274.12-139,081.96

Finding the Fourth Proportional to 253,821.55, 350,274.12 and 139,081.96

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Solution

The fourth proportional to 253,821.55, 350,274.12 and 139,081.96 is: 191,933.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,821.55 : 350,274.12 = 139,081.96 : x
  2. Step 2: Convert to fraction form
    253,821.55/350,274.12 = 139,081.96/x
  3. Step 3: Cross multiply
    253,821.55x = 350,274.12 × 139,081.96
  4. Step 4: Simplify right side
    253,821.55x = 48,716,811,146.88
  5. Step 5: Solve for x
    x = 48,716,811,146.88/253,821.55
  6. Step 6: Final answer
    x = 191,933.31

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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.