Home / 200,171.18-300,063.86-73,742.30

Finding the Fourth Proportional to 200,171.18, 300,063.86 and 73,742.30

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Solution

The fourth proportional to 200,171.18, 300,063.86 and 73,742.30 is: 110,542.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,171.18 : 300,063.86 = 73,742.30 : x
  2. Step 2: Convert to fraction form
    200,171.18/300,063.86 = 73,742.30/x
  3. Step 3: Cross multiply
    200,171.18x = 300,063.86 × 73,742.30
  4. Step 4: Simplify right side
    200,171.18x = 22,127,398,716.02
  5. Step 5: Solve for x
    x = 22,127,398,716.02/200,171.18
  6. Step 6: Final answer
    x = 110,542.38

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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.