Home / 254,190.16-350,789.64-139,474

Finding the Fourth Proportional to 254,190.16, 350,789.64 and 139,474

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Solution

The fourth proportional to 254,190.16, 350,789.64 and 139,474 is: 192,478.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,190.16 : 350,789.64 = 139,474 : x
  2. Step 2: Convert to fraction form
    254,190.16/350,789.64 = 139,474/x
  3. Step 3: Cross multiply
    254,190.16x = 350,789.64 × 139,474
  4. Step 4: Simplify right side
    254,190.16x = 48,926,034,249.36
  5. Step 5: Solve for x
    x = 48,926,034,249.36/254,190.16
  6. Step 6: Final answer
    x = 192,478.08

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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.