Home / 137,345.63-206,022.08-43,851.38

Finding the Fourth Proportional to 137,345.63, 206,022.08 and 43,851.38

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Solution

The fourth proportional to 137,345.63, 206,022.08 and 43,851.38 is: 65,778.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,345.63 : 206,022.08 = 43,851.38 : x
  2. Step 2: Convert to fraction form
    137,345.63/206,022.08 = 43,851.38/x
  3. Step 3: Cross multiply
    137,345.63x = 206,022.08 × 43,851.38
  4. Step 4: Simplify right side
    137,345.63x = 9,034,351,597.99
  5. Step 5: Solve for x
    x = 9,034,351,597.99/137,345.63
  6. Step 6: Final answer
    x = 65,778.23

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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.