Home / 112,538.20-155,489.88-88,846.24

Finding the Fourth Proportional to 112,538.20, 155,489.88 and 88,846.24

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Solution

The fourth proportional to 112,538.20, 155,489.88 and 88,846.24 is: 122,755.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,538.20 : 155,489.88 = 88,846.24 : x
  2. Step 2: Convert to fraction form
    112,538.20/155,489.88 = 88,846.24/x
  3. Step 3: Cross multiply
    112,538.20x = 155,489.88 × 88,846.24
  4. Step 4: Simplify right side
    112,538.20x = 13,814,691,196.05
  5. Step 5: Solve for x
    x = 13,814,691,196.05/112,538.20
  6. Step 6: Final answer
    x = 122,755.57

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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.