Home / 236,960.07-355,487.73-87,201.15

Finding the Fourth Proportional to 236,960.07, 355,487.73 and 87,201.15

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Solution

The fourth proportional to 236,960.07, 355,487.73 and 87,201.15 is: 130,819.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,960.07 : 355,487.73 = 87,201.15 : x
  2. Step 2: Convert to fraction form
    236,960.07/355,487.73 = 87,201.15/x
  3. Step 3: Cross multiply
    236,960.07x = 355,487.73 × 87,201.15
  4. Step 4: Simplify right side
    236,960.07x = 30,998,938,866.89
  5. Step 5: Solve for x
    x = 30,998,938,866.89/236,960.07
  6. Step 6: Final answer
    x = 130,819.25

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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.