Home / 146,171.20-201,716.82-79,103.20

Finding the Fourth Proportional to 146,171.20, 201,716.82 and 79,103.20

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Solution

The fourth proportional to 146,171.20, 201,716.82 and 79,103.20 is: 109,162.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,171.20 : 201,716.82 = 79,103.20 : x
  2. Step 2: Convert to fraction form
    146,171.20/201,716.82 = 79,103.20/x
  3. Step 3: Cross multiply
    146,171.20x = 201,716.82 × 79,103.20
  4. Step 4: Simplify right side
    146,171.20x = 15,956,445,955.82
  5. Step 5: Solve for x
    x = 15,956,445,955.82/146,171.20
  6. Step 6: Final answer
    x = 109,162.72

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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.