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Finding the Fourth Proportional to 145,095.88, 200,242.22 and 80,568.44

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Solution

The fourth proportional to 145,095.88, 200,242.22 and 80,568.44 is: 111,189.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,095.88 : 200,242.22 = 80,568.44 : x
  2. Step 2: Convert to fraction form
    145,095.88/200,242.22 = 80,568.44/x
  3. Step 3: Cross multiply
    145,095.88x = 200,242.22 × 80,568.44
  4. Step 4: Simplify right side
    145,095.88x = 16,133,203,287.54
  5. Step 5: Solve for x
    x = 16,133,203,287.54/145,095.88
  6. Step 6: Final answer
    x = 111,189.95

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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.