Home / 236,935.36-355,465.37-85,147.77

Finding the Fourth Proportional to 236,935.36, 355,465.37 and 85,147.77

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Solution

The fourth proportional to 236,935.36, 355,465.37 and 85,147.77 is: 127,744.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,935.36 : 355,465.37 = 85,147.77 : x
  2. Step 2: Convert to fraction form
    236,935.36/355,465.37 = 85,147.77/x
  3. Step 3: Cross multiply
    236,935.36x = 355,465.37 × 85,147.77
  4. Step 4: Simplify right side
    236,935.36x = 30,267,083,780.59
  5. Step 5: Solve for x
    x = 30,267,083,780.59/236,935.36
  6. Step 6: Final answer
    x = 127,744.06

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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.