Home / 134,205.78-185,206.26-73,778.94

Finding the Fourth Proportional to 134,205.78, 185,206.26 and 73,778.94

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Solution

The fourth proportional to 134,205.78, 185,206.26 and 73,778.94 is: 101,816.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,205.78 : 185,206.26 = 73,778.94 : x
  2. Step 2: Convert to fraction form
    134,205.78/185,206.26 = 73,778.94/x
  3. Step 3: Cross multiply
    134,205.78x = 185,206.26 × 73,778.94
  4. Step 4: Simplify right side
    134,205.78x = 13,664,321,544.16
  5. Step 5: Solve for x
    x = 13,664,321,544.16/134,205.78
  6. Step 6: Final answer
    x = 101,816.19

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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.