Home / 147,908.20-222,008.10-73,112.80

Finding the Fourth Proportional to 147,908.20, 222,008.10 and 73,112.80

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Solution

The fourth proportional to 147,908.20, 222,008.10 and 73,112.80 is: 109,741.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,908.20 : 222,008.10 = 73,112.80 : x
  2. Step 2: Convert to fraction form
    147,908.20/222,008.10 = 73,112.80/x
  3. Step 3: Cross multiply
    147,908.20x = 222,008.10 × 73,112.80
  4. Step 4: Simplify right side
    147,908.20x = 16,231,633,813.68
  5. Step 5: Solve for x
    x = 16,231,633,813.68/147,908.20
  6. Step 6: Final answer
    x = 109,741.27

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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.