Home / 137,945.48-206,885.42-38,103.47

Finding the Fourth Proportional to 137,945.48, 206,885.42 and 38,103.47

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Solution

The fourth proportional to 137,945.48, 206,885.42 and 38,103.47 is: 57,146.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,945.48 : 206,885.42 = 38,103.47 : x
  2. Step 2: Convert to fraction form
    137,945.48/206,885.42 = 38,103.47/x
  3. Step 3: Cross multiply
    137,945.48x = 206,885.42 × 38,103.47
  4. Step 4: Simplify right side
    137,945.48x = 7,883,052,394.41
  5. Step 5: Solve for x
    x = 7,883,052,394.41/137,945.48
  6. Step 6: Final answer
    x = 57,146.14

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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.