Home / 209,849.23-314,657.20-85,044.43

Finding the Fourth Proportional to 209,849.23, 314,657.20 and 85,044.43

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Solution

The fourth proportional to 209,849.23, 314,657.20 and 85,044.43 is: 127,519.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,849.23 : 314,657.20 = 85,044.43 : x
  2. Step 2: Convert to fraction form
    209,849.23/314,657.20 = 85,044.43/x
  3. Step 3: Cross multiply
    209,849.23x = 314,657.20 × 85,044.43
  4. Step 4: Simplify right side
    209,849.23x = 26,759,842,219.40
  5. Step 5: Solve for x
    x = 26,759,842,219.40/209,849.23
  6. Step 6: Final answer
    x = 127,519.37

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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.