Home / 112,628.88-155,412.51-67,297.29

Finding the Fourth Proportional to 112,628.88, 155,412.51 and 67,297.29

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Solution

The fourth proportional to 112,628.88, 155,412.51 and 67,297.29 is: 92,861.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,628.88 : 155,412.51 = 67,297.29 : x
  2. Step 2: Convert to fraction form
    112,628.88/155,412.51 = 67,297.29/x
  3. Step 3: Cross multiply
    112,628.88x = 155,412.51 × 67,297.29
  4. Step 4: Simplify right side
    112,628.88x = 10,458,840,755.10
  5. Step 5: Solve for x
    x = 10,458,840,755.10/112,628.88
  6. Step 6: Final answer
    x = 92,861.09

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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.