Home / 259,741.52-358,439.80-145,021.92

Finding the Fourth Proportional to 259,741.52, 358,439.80 and 145,021.92

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Solution

The fourth proportional to 259,741.52, 358,439.80 and 145,021.92 is: 200,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,741.52 : 358,439.80 = 145,021.92 : x
  2. Step 2: Convert to fraction form
    259,741.52/358,439.80 = 145,021.92/x
  3. Step 3: Cross multiply
    259,741.52x = 358,439.80 × 145,021.92
  4. Step 4: Simplify right side
    259,741.52x = 51,981,628,000.42
  5. Step 5: Solve for x
    x = 51,981,628,000.42/259,741.52
  6. Step 6: Final answer
    x = 200,128.30

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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.