Home / 136,048.57-204,074.92-51,813.39

Finding the Fourth Proportional to 136,048.57, 204,074.92 and 51,813.39

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Solution

The fourth proportional to 136,048.57, 204,074.92 and 51,813.39 is: 77,720.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,048.57 : 204,074.92 = 51,813.39 : x
  2. Step 2: Convert to fraction form
    136,048.57/204,074.92 = 51,813.39/x
  3. Step 3: Cross multiply
    136,048.57x = 204,074.92 × 51,813.39
  4. Step 4: Simplify right side
    136,048.57x = 10,573,814,249.23
  5. Step 5: Solve for x
    x = 10,573,814,249.23/136,048.57
  6. Step 6: Final answer
    x = 77,720.88

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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.