Home / 236,790.86-355,326.45-87,136.27

Finding the Fourth Proportional to 236,790.86, 355,326.45 and 87,136.27

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Solution

The fourth proportional to 236,790.86, 355,326.45 and 87,136.27 is: 130,755.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,790.86 : 355,326.45 = 87,136.27 : x
  2. Step 2: Convert to fraction form
    236,790.86/355,326.45 = 87,136.27/x
  3. Step 3: Cross multiply
    236,790.86x = 355,326.45 × 87,136.27
  4. Step 4: Simplify right side
    236,790.86x = 30,961,820,597.03
  5. Step 5: Solve for x
    x = 30,961,820,597.03/236,790.86
  6. Step 6: Final answer
    x = 130,755.98

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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.