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Finding the Fourth Proportional to 134,115.56, 201,211.02 and 39,348

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Solution

The fourth proportional to 134,115.56, 201,211.02 and 39,348 is: 59,033.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,115.56 : 201,211.02 = 39,348 : x
  2. Step 2: Convert to fraction form
    134,115.56/201,211.02 = 39,348/x
  3. Step 3: Cross multiply
    134,115.56x = 201,211.02 × 39,348
  4. Step 4: Simplify right side
    134,115.56x = 7,917,251,214.96
  5. Step 5: Solve for x
    x = 7,917,251,214.96/134,115.56
  6. Step 6: Final answer
    x = 59,033.05

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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.