Home / 236,943.84-355,434.11-79,172.85

Finding the Fourth Proportional to 236,943.84, 355,434.11 and 79,172.85

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Solution

The fourth proportional to 236,943.84, 355,434.11 and 79,172.85 is: 118,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,943.84 : 355,434.11 = 79,172.85 : x
  2. Step 2: Convert to fraction form
    236,943.84/355,434.11 = 79,172.85/x
  3. Step 3: Cross multiply
    236,943.84x = 355,434.11 × 79,172.85
  4. Step 4: Simplify right side
    236,943.84x = 28,140,729,896.68
  5. Step 5: Solve for x
    x = 28,140,729,896.68/236,943.84
  6. Step 6: Final answer
    x = 118,765.40

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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.