Home / 236,918.76-355,325.75-68,402.45

Finding the Fourth Proportional to 236,918.76, 355,325.75 and 68,402.45

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Solution

The fourth proportional to 236,918.76, 355,325.75 and 68,402.45 is: 102,588.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,918.76 : 355,325.75 = 68,402.45 : x
  2. Step 2: Convert to fraction form
    236,918.76/355,325.75 = 68,402.45/x
  3. Step 3: Cross multiply
    236,918.76x = 355,325.75 × 68,402.45
  4. Step 4: Simplify right side
    236,918.76x = 24,305,149,729.45
  5. Step 5: Solve for x
    x = 24,305,149,729.45/236,918.76
  6. Step 6: Final answer
    x = 102,588.54

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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.