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Finding the Fourth Proportional to 134,469.01, 201,828.16 and 67,955.96

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Solution

The fourth proportional to 134,469.01, 201,828.16 and 67,955.96 is: 101,996.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,469.01 : 201,828.16 = 67,955.96 : x
  2. Step 2: Convert to fraction form
    134,469.01/201,828.16 = 67,955.96/x
  3. Step 3: Cross multiply
    134,469.01x = 201,828.16 × 67,955.96
  4. Step 4: Simplify right side
    134,469.01x = 13,715,426,575.10
  5. Step 5: Solve for x
    x = 13,715,426,575.10/134,469.01
  6. Step 6: Final answer
    x = 101,996.93

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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.