Home / 102,198.21-153,297.36-45,972.63

Finding the Fourth Proportional to 102,198.21, 153,297.36 and 45,972.63

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Solution

The fourth proportional to 102,198.21, 153,297.36 and 45,972.63 is: 68,958.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,198.21 : 153,297.36 = 45,972.63 : x
  2. Step 2: Convert to fraction form
    102,198.21/153,297.36 = 45,972.63/x
  3. Step 3: Cross multiply
    102,198.21x = 153,297.36 × 45,972.63
  4. Step 4: Simplify right side
    102,198.21x = 7,047,482,811.26
  5. Step 5: Solve for x
    x = 7,047,482,811.26/102,198.21
  6. Step 6: Final answer
    x = 68,958.97

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1.5x scale

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.