Home / 136,225.92-187,975.26-75,782.28

Finding the Fourth Proportional to 136,225.92, 187,975.26 and 75,782.28

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Solution

The fourth proportional to 136,225.92, 187,975.26 and 75,782.28 is: 104,570.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,225.92 : 187,975.26 = 75,782.28 : x
  2. Step 2: Convert to fraction form
    136,225.92/187,975.26 = 75,782.28/x
  3. Step 3: Cross multiply
    136,225.92x = 187,975.26 × 75,782.28
  4. Step 4: Simplify right side
    136,225.92x = 14,245,193,786.39
  5. Step 5: Solve for x
    x = 14,245,193,786.39/136,225.92
  6. Step 6: Final answer
    x = 104,570.36

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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.