Home / 172,914.10-259,371.15-113,865.10

Finding the Fourth Proportional to 172,914.10, 259,371.15 and 113,865.10

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Solution

The fourth proportional to 172,914.10, 259,371.15 and 113,865.10 is: 170,797.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,914.10 : 259,371.15 = 113,865.10 : x
  2. Step 2: Convert to fraction form
    172,914.10/259,371.15 = 113,865.10/x
  3. Step 3: Cross multiply
    172,914.10x = 259,371.15 × 113,865.10
  4. Step 4: Simplify right side
    172,914.10x = 29,533,321,931.87
  5. Step 5: Solve for x
    x = 29,533,321,931.87/172,914.10
  6. Step 6: Final answer
    x = 170,797.65

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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.