Home / 137,882.82-206,824.38-43,113.51

Finding the Fourth Proportional to 137,882.82, 206,824.38 and 43,113.51

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Solution

The fourth proportional to 137,882.82, 206,824.38 and 43,113.51 is: 64,670.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,882.82 : 206,824.38 = 43,113.51 : x
  2. Step 2: Convert to fraction form
    137,882.82/206,824.38 = 43,113.51/x
  3. Step 3: Cross multiply
    137,882.82x = 206,824.38 × 43,113.51
  4. Step 4: Simplify right side
    137,882.82x = 8,916,924,975.37
  5. Step 5: Solve for x
    x = 8,916,924,975.37/137,882.82
  6. Step 6: Final answer
    x = 64,670.31

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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.