Home / 120,322.24-165,924.25-80,037.70

Finding the Fourth Proportional to 120,322.24, 165,924.25 and 80,037.70

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Solution

The fourth proportional to 120,322.24, 165,924.25 and 80,037.70 is: 110,371.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,322.24 : 165,924.25 = 80,037.70 : x
  2. Step 2: Convert to fraction form
    120,322.24/165,924.25 = 80,037.70/x
  3. Step 3: Cross multiply
    120,322.24x = 165,924.25 × 80,037.70
  4. Step 4: Simplify right side
    120,322.24x = 13,280,195,344.23
  5. Step 5: Solve for x
    x = 13,280,195,344.23/120,322.24
  6. Step 6: Final answer
    x = 110,371.91

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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.