Home / 110,519.84-152,513.26-67,571.28

Finding the Fourth Proportional to 110,519.84, 152,513.26 and 67,571.28

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Solution

The fourth proportional to 110,519.84, 152,513.26 and 67,571.28 is: 93,245.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,519.84 : 152,513.26 = 67,571.28 : x
  2. Step 2: Convert to fraction form
    110,519.84/152,513.26 = 67,571.28/x
  3. Step 3: Cross multiply
    110,519.84x = 152,513.26 × 67,571.28
  4. Step 4: Simplify right side
    110,519.84x = 10,305,516,195.17
  5. Step 5: Solve for x
    x = 10,305,516,195.17/110,519.84
  6. Step 6: Final answer
    x = 93,245.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.