Home / 236,939.86-355,472.10-85,152.26

Finding the Fourth Proportional to 236,939.86, 355,472.10 and 85,152.26

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Solution

The fourth proportional to 236,939.86, 355,472.10 and 85,152.26 is: 127,750.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,939.86 : 355,472.10 = 85,152.26 : x
  2. Step 2: Convert to fraction form
    236,939.86/355,472.10 = 85,152.26/x
  3. Step 3: Cross multiply
    236,939.86x = 355,472.10 × 85,152.26
  4. Step 4: Simplify right side
    236,939.86x = 30,269,252,681.95
  5. Step 5: Solve for x
    x = 30,269,252,681.95/236,939.86
  6. Step 6: Final answer
    x = 127,750.78

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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.