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Finding the Fourth Proportional to 147,998.69, 204,234.05 and 80,929.25

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Solution

The fourth proportional to 147,998.69, 204,234.05 and 80,929.25 is: 111,680.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,998.69 : 204,234.05 = 80,929.25 : x
  2. Step 2: Convert to fraction form
    147,998.69/204,234.05 = 80,929.25/x
  3. Step 3: Cross multiply
    147,998.69x = 204,234.05 × 80,929.25
  4. Step 4: Simplify right side
    147,998.69x = 16,528,508,086.32
  5. Step 5: Solve for x
    x = 16,528,508,086.32/147,998.69
  6. Step 6: Final answer
    x = 111,680.10

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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.