Home / 236,793.92-355,331.04-87,139.33

Finding the Fourth Proportional to 236,793.92, 355,331.04 and 87,139.33

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Solution

The fourth proportional to 236,793.92, 355,331.04 and 87,139.33 is: 130,760.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,793.92 : 355,331.04 = 87,139.33 : x
  2. Step 2: Convert to fraction form
    236,793.92/355,331.04 = 87,139.33/x
  3. Step 3: Cross multiply
    236,793.92x = 355,331.04 × 87,139.33
  4. Step 4: Simplify right side
    236,793.92x = 30,963,307,538.70
  5. Step 5: Solve for x
    x = 30,963,307,538.70/236,793.92
  6. Step 6: Final answer
    x = 130,760.57

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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.