Home / 209,859.90-314,882.60-109,996.22

Finding the Fourth Proportional to 209,859.90, 314,882.60 and 109,996.22

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Solution

The fourth proportional to 209,859.90, 314,882.60 and 109,996.22 is: 165,042.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,859.90 : 314,882.60 = 109,996.22 : x
  2. Step 2: Convert to fraction form
    209,859.90/314,882.60 = 109,996.22/x
  3. Step 3: Cross multiply
    209,859.90x = 314,882.60 × 109,996.22
  4. Step 4: Simplify right side
    209,859.90x = 34,635,895,743.77
  5. Step 5: Solve for x
    x = 34,635,895,743.77/209,859.90
  6. Step 6: Final answer
    x = 165,042.94

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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.