Home / 136,078.57-187,794.83-75,650.22

Finding the Fourth Proportional to 136,078.57, 187,794.83 and 75,650.22

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Solution

The fourth proportional to 136,078.57, 187,794.83 and 75,650.22 is: 104,400.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,078.57 : 187,794.83 = 75,650.22 : x
  2. Step 2: Convert to fraction form
    136,078.57/187,794.83 = 75,650.22/x
  3. Step 3: Cross multiply
    136,078.57x = 187,794.83 × 75,650.22
  4. Step 4: Simplify right side
    136,078.57x = 14,206,720,393.49
  5. Step 5: Solve for x
    x = 14,206,720,393.49/136,078.57
  6. Step 6: Final answer
    x = 104,400.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.