Home / 147,972.25-204,201.71-80,904.25

Finding the Fourth Proportional to 147,972.25, 204,201.71 and 80,904.25

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Solution

The fourth proportional to 147,972.25, 204,201.71 and 80,904.25 is: 111,647.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,972.25 : 204,201.71 = 80,904.25 : x
  2. Step 2: Convert to fraction form
    147,972.25/204,201.71 = 80,904.25/x
  3. Step 3: Cross multiply
    147,972.25x = 204,201.71 × 80,904.25
  4. Step 4: Simplify right side
    147,972.25x = 16,520,785,791.75
  5. Step 5: Solve for x
    x = 16,520,785,791.75/147,972.25
  6. Step 6: Final answer
    x = 111,647.87

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1.5x scale

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.