Home / 207,192.62-310,587.33-132,078.38

Finding the Fourth Proportional to 207,192.62, 310,587.33 and 132,078.38

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Solution

The fourth proportional to 207,192.62, 310,587.33 and 132,078.38 is: 197,989.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,192.62 : 310,587.33 = 132,078.38 : x
  2. Step 2: Convert to fraction form
    207,192.62/310,587.33 = 132,078.38/x
  3. Step 3: Cross multiply
    207,192.62x = 310,587.33 × 132,078.38
  4. Step 4: Simplify right side
    207,192.62x = 41,021,871,394.93
  5. Step 5: Solve for x
    x = 41,021,871,394.93/207,192.62
  6. Step 6: Final answer
    x = 197,989.06

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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.