Home / 172,288.08-258,197.22-83,364.12

Finding the Fourth Proportional to 172,288.08, 258,197.22 and 83,364.12

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Solution

The fourth proportional to 172,288.08, 258,197.22 and 83,364.12 is: 124,932.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,288.08 : 258,197.22 = 83,364.12 : x
  2. Step 2: Convert to fraction form
    172,288.08/258,197.22 = 83,364.12/x
  3. Step 3: Cross multiply
    172,288.08x = 258,197.22 × 83,364.12
  4. Step 4: Simplify right side
    172,288.08x = 21,524,384,031.75
  5. Step 5: Solve for x
    x = 21,524,384,031.75/172,288.08
  6. Step 6: Final answer
    x = 124,932.52

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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.