Home / 137,900.07-206,862.66-53,666.55

Finding the Fourth Proportional to 137,900.07, 206,862.66 and 53,666.55

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Solution

The fourth proportional to 137,900.07, 206,862.66 and 53,666.55 is: 80,504.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,900.07 : 206,862.66 = 53,666.55 : x
  2. Step 2: Convert to fraction form
    137,900.07/206,862.66 = 53,666.55/x
  3. Step 3: Cross multiply
    137,900.07x = 206,862.66 × 53,666.55
  4. Step 4: Simplify right side
    137,900.07x = 11,101,605,286.02
  5. Step 5: Solve for x
    x = 11,101,605,286.02/137,900.07
  6. Step 6: Final answer
    x = 80,504.71

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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.