Home / 75,185.12-112,826.28-35,786.72

Finding the Fourth Proportional to 75,185.12, 112,826.28 and 35,786.72

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Solution

The fourth proportional to 75,185.12, 112,826.28 and 35,786.72 is: 53,703.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,185.12 : 112,826.28 = 35,786.72 : x
  2. Step 2: Convert to fraction form
    75,185.12/112,826.28 = 35,786.72/x
  3. Step 3: Cross multiply
    75,185.12x = 112,826.28 × 35,786.72
  4. Step 4: Simplify right side
    75,185.12x = 4,037,682,491.00
  5. Step 5: Solve for x
    x = 4,037,682,491.00/75,185.12
  6. Step 6: Final answer
    x = 53,703.21

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1.5x scale

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.