Home / 439,619.81-659,422.52-140,096.39

Finding the Fourth Proportional to 439,619.81, 659,422.52 and 140,096.39

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Solution

The fourth proportional to 439,619.81, 659,422.52 and 140,096.39 is: 210,142.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,619.81 : 659,422.52 = 140,096.39 : x
  2. Step 2: Convert to fraction form
    439,619.81/659,422.52 = 140,096.39/x
  3. Step 3: Cross multiply
    439,619.81x = 659,422.52 × 140,096.39
  4. Step 4: Simplify right side
    439,619.81x = 92,382,713,836.22
  5. Step 5: Solve for x
    x = 92,382,713,836.22/439,619.81
  6. Step 6: Final answer
    x = 210,142.29

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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.