Home / 172,128.08-237,532.03-95,645.21

Finding the Fourth Proportional to 172,128.08, 237,532.03 and 95,645.21

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Solution

The fourth proportional to 172,128.08, 237,532.03 and 95,645.21 is: 131,987.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,128.08 : 237,532.03 = 95,645.21 : x
  2. Step 2: Convert to fraction form
    172,128.08/237,532.03 = 95,645.21/x
  3. Step 3: Cross multiply
    172,128.08x = 237,532.03 × 95,645.21
  4. Step 4: Simplify right side
    172,128.08x = 22,718,800,891.08
  5. Step 5: Solve for x
    x = 22,718,800,891.08/172,128.08
  6. Step 6: Final answer
    x = 131,987.77

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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.