Home / 147,972.75-204,202.40-80,904.75

Finding the Fourth Proportional to 147,972.75, 204,202.40 and 80,904.75

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Solution

The fourth proportional to 147,972.75, 204,202.40 and 80,904.75 is: 111,648.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,972.75 : 204,202.40 = 80,904.75 : x
  2. Step 2: Convert to fraction form
    147,972.75/204,202.40 = 80,904.75/x
  3. Step 3: Cross multiply
    147,972.75x = 204,202.40 × 80,904.75
  4. Step 4: Simplify right side
    147,972.75x = 16,520,943,716.88
  5. Step 5: Solve for x
    x = 16,520,943,716.88/147,972.75
  6. Step 6: Final answer
    x = 111,648.56

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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.