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Finding the Fourth Proportional to 101,701, 152,441.10 and 45,463.63

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Solution

The fourth proportional to 101,701, 152,441.10 and 45,463.63 is: 68,146.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,701 : 152,441.10 = 45,463.63 : x
  2. Step 2: Convert to fraction form
    101,701/152,441.10 = 45,463.63/x
  3. Step 3: Cross multiply
    101,701x = 152,441.10 × 45,463.63
  4. Step 4: Simplify right side
    101,701x = 6,930,525,767.19
  5. Step 5: Solve for x
    x = 6,930,525,767.19/101,701
  6. Step 6: Final answer
    x = 68,146.09

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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.