Home / 147,918.92-204,128.04-80,850.92

Finding the Fourth Proportional to 147,918.92, 204,128.04 and 80,850.92

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Solution

The fourth proportional to 147,918.92, 204,128.04 and 80,850.92 is: 111,574.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,918.92 : 204,128.04 = 80,850.92 : x
  2. Step 2: Convert to fraction form
    147,918.92/204,128.04 = 80,850.92/x
  3. Step 3: Cross multiply
    147,918.92x = 204,128.04 × 80,850.92
  4. Step 4: Simplify right side
    147,918.92x = 16,503,939,831.80
  5. Step 5: Solve for x
    x = 16,503,939,831.80/147,918.92
  6. Step 6: Final answer
    x = 111,574.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.