Home / 123,414.20-185,207.70-53,343.80

Finding the Fourth Proportional to 123,414.20, 185,207.70 and 53,343.80

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Solution

The fourth proportional to 123,414.20, 185,207.70 and 53,343.80 is: 80,053.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,414.20 : 185,207.70 = 53,343.80 : x
  2. Step 2: Convert to fraction form
    123,414.20/185,207.70 = 53,343.80/x
  3. Step 3: Cross multiply
    123,414.20x = 185,207.70 × 53,343.80
  4. Step 4: Simplify right side
    123,414.20x = 9,879,682,507.26
  5. Step 5: Solve for x
    x = 9,879,682,507.26/123,414.20
  6. Step 6: Final answer
    x = 80,053.05

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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.