Home / 136,976.74-205,462.87-52,755.37

Finding the Fourth Proportional to 136,976.74, 205,462.87 and 52,755.37

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Solution

The fourth proportional to 136,976.74, 205,462.87 and 52,755.37 is: 79,132.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,976.74 : 205,462.87 = 52,755.37 : x
  2. Step 2: Convert to fraction form
    136,976.74/205,462.87 = 52,755.37/x
  3. Step 3: Cross multiply
    136,976.74x = 205,462.87 × 52,755.37
  4. Step 4: Simplify right side
    136,976.74x = 10,839,269,728.11
  5. Step 5: Solve for x
    x = 10,839,269,728.11/136,976.74
  6. Step 6: Final answer
    x = 79,132.19

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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.