Home / 236,979.95-355,610.25-87,325.16

Finding the Fourth Proportional to 236,979.95, 355,610.25 and 87,325.16

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Solution

The fourth proportional to 236,979.95, 355,610.25 and 87,325.16 is: 131,039.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,979.95 : 355,610.25 = 87,325.16 : x
  2. Step 2: Convert to fraction form
    236,979.95/355,610.25 = 87,325.16/x
  3. Step 3: Cross multiply
    236,979.95x = 355,610.25 × 87,325.16
  4. Step 4: Simplify right side
    236,979.95x = 31,053,720,200.84
  5. Step 5: Solve for x
    x = 31,053,720,200.84/236,979.95
  6. Step 6: Final answer
    x = 131,039.44

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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.