Home / 137,022.13-205,408.63-52,728.54

Finding the Fourth Proportional to 137,022.13, 205,408.63 and 52,728.54

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Solution

The fourth proportional to 137,022.13, 205,408.63 and 52,728.54 is: 79,044.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,022.13 : 205,408.63 = 52,728.54 : x
  2. Step 2: Convert to fraction form
    137,022.13/205,408.63 = 52,728.54/x
  3. Step 3: Cross multiply
    137,022.13x = 205,408.63 × 52,728.54
  4. Step 4: Simplify right side
    137,022.13x = 10,830,897,163.30
  5. Step 5: Solve for x
    x = 10,830,897,163.30/137,022.13
  6. Step 6: Final answer
    x = 79,044.88

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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.