Home / 237,819.96-328,189.82-130,388.22

Finding the Fourth Proportional to 237,819.96, 328,189.82 and 130,388.22

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Solution

The fourth proportional to 237,819.96, 328,189.82 and 130,388.22 is: 179,934.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,819.96 : 328,189.82 = 130,388.22 : x
  2. Step 2: Convert to fraction form
    237,819.96/328,189.82 = 130,388.22/x
  3. Step 3: Cross multiply
    237,819.96x = 328,189.82 × 130,388.22
  4. Step 4: Simplify right side
    237,819.96x = 42,792,085,799.98
  5. Step 5: Solve for x
    x = 42,792,085,799.98/237,819.96
  6. Step 6: Final answer
    x = 179,934.80

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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.