Home / 236,942.46-355,432.05-79,171.47

Finding the Fourth Proportional to 236,942.46, 355,432.05 and 79,171.47

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Solution

The fourth proportional to 236,942.46, 355,432.05 and 79,171.47 is: 118,763.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,942.46 : 355,432.05 = 79,171.47 : x
  2. Step 2: Convert to fraction form
    236,942.46/355,432.05 = 79,171.47/x
  3. Step 3: Cross multiply
    236,942.46x = 355,432.05 × 79,171.47
  4. Step 4: Simplify right side
    236,942.46x = 28,140,077,883.61
  5. Step 5: Solve for x
    x = 28,140,077,883.61/236,942.46
  6. Step 6: Final answer
    x = 118,763.34

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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.