Home / 439,743.40-659,723.10-124,196.20

Finding the Fourth Proportional to 439,743.40, 659,723.10 and 124,196.20

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Solution

The fourth proportional to 439,743.40, 659,723.10 and 124,196.20 is: 186,324.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,743.40 : 659,723.10 = 124,196.20 : x
  2. Step 2: Convert to fraction form
    439,743.40/659,723.10 = 124,196.20/x
  3. Step 3: Cross multiply
    439,743.40x = 659,723.10 × 124,196.20
  4. Step 4: Simplify right side
    439,743.40x = 81,935,102,072.22
  5. Step 5: Solve for x
    x = 81,935,102,072.22/439,743.40
  6. Step 6: Final answer
    x = 186,324.80

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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.