Home / 454,527.25-681,725.26-138,899.41

Finding the Fourth Proportional to 454,527.25, 681,725.26 and 138,899.41

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Solution

The fourth proportional to 454,527.25, 681,725.26 and 138,899.41 is: 208,329.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,527.25 : 681,725.26 = 138,899.41 : x
  2. Step 2: Convert to fraction form
    454,527.25/681,725.26 = 138,899.41/x
  3. Step 3: Cross multiply
    454,527.25x = 681,725.26 × 138,899.41
  4. Step 4: Simplify right side
    454,527.25x = 94,691,234,865.41
  5. Step 5: Solve for x
    x = 94,691,234,865.41/454,527.25
  6. Step 6: Final answer
    x = 208,329.06

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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.