Home / 236,704.38-355,096.17-78,981.18

Finding the Fourth Proportional to 236,704.38, 355,096.17 and 78,981.18

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Solution

The fourth proportional to 236,704.38, 355,096.17 and 78,981.18 is: 118,484.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,704.38 : 355,096.17 = 78,981.18 : x
  2. Step 2: Convert to fraction form
    236,704.38/355,096.17 = 78,981.18/x
  3. Step 3: Cross multiply
    236,704.38x = 355,096.17 × 78,981.18
  4. Step 4: Simplify right side
    236,704.38x = 28,045,914,520.08
  5. Step 5: Solve for x
    x = 28,045,914,520.08/236,704.38
  6. Step 6: Final answer
    x = 118,484.98

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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.