Home / 175,390.80-263,125.13-81,845.52

Finding the Fourth Proportional to 175,390.80, 263,125.13 and 81,845.52

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Solution

The fourth proportional to 175,390.80, 263,125.13 and 81,845.52 is: 122,786.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,390.80 : 263,125.13 = 81,845.52 : x
  2. Step 2: Convert to fraction form
    175,390.80/263,125.13 = 81,845.52/x
  3. Step 3: Cross multiply
    175,390.80x = 263,125.13 × 81,845.52
  4. Step 4: Simplify right side
    175,390.80x = 21,535,612,680.69
  5. Step 5: Solve for x
    x = 21,535,612,680.69/175,390.80
  6. Step 6: Final answer
    x = 122,786.44

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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.