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Finding the Fourth Proportional to 134,097.98, 201,172.92 and 50,985.50

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Solution

The fourth proportional to 134,097.98, 201,172.92 and 50,985.50 is: 76,488.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,097.98 : 201,172.92 = 50,985.50 : x
  2. Step 2: Convert to fraction form
    134,097.98/201,172.92 = 50,985.50/x
  3. Step 3: Cross multiply
    134,097.98x = 201,172.92 × 50,985.50
  4. Step 4: Simplify right side
    134,097.98x = 10,256,901,912.66
  5. Step 5: Solve for x
    x = 10,256,901,912.66/134,097.98
  6. Step 6: Final answer
    x = 76,488.12

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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.