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Finding the Fourth Proportional to 134,197.65, 201,387.02 and 55,310.13

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Solution

The fourth proportional to 134,197.65, 201,387.02 and 55,310.13 is: 83,002.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,197.65 : 201,387.02 = 55,310.13 : x
  2. Step 2: Convert to fraction form
    134,197.65/201,387.02 = 55,310.13/x
  3. Step 3: Cross multiply
    134,197.65x = 201,387.02 × 55,310.13
  4. Step 4: Simplify right side
    134,197.65x = 11,138,741,979.96
  5. Step 5: Solve for x
    x = 11,138,741,979.96/134,197.65
  6. Step 6: Final answer
    x = 83,002.51

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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.