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Finding the Fourth Proportional to 200,105.10, 300,060.45 and 111,264.30

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Solution

The fourth proportional to 200,105.10, 300,060.45 and 111,264.30 is: 166,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,105.10 : 300,060.45 = 111,264.30 : x
  2. Step 2: Convert to fraction form
    200,105.10/300,060.45 = 111,264.30/x
  3. Step 3: Cross multiply
    200,105.10x = 300,060.45 × 111,264.30
  4. Step 4: Simplify right side
    200,105.10x = 33,386,015,926.94
  5. Step 5: Solve for x
    x = 33,386,015,926.94/200,105.10
  6. Step 6: Final answer
    x = 166,842.40

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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.