Home / 165,932.40-248,704.20-124,330.80

Finding the Fourth Proportional to 165,932.40, 248,704.20 and 124,330.80

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Solution

The fourth proportional to 165,932.40, 248,704.20 and 124,330.80 is: 186,350.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,932.40 : 248,704.20 = 124,330.80 : x
  2. Step 2: Convert to fraction form
    165,932.40/248,704.20 = 124,330.80/x
  3. Step 3: Cross multiply
    165,932.40x = 248,704.20 × 124,330.80
  4. Step 4: Simplify right side
    165,932.40x = 30,921,592,149.36
  5. Step 5: Solve for x
    x = 30,921,592,149.36/165,932.40
  6. Step 6: Final answer
    x = 186,350.54

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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.