Home / 101,501.12-152,135.04-68,180.96

Finding the Fourth Proportional to 101,501.12, 152,135.04 and 68,180.96

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Solution

The fourth proportional to 101,501.12, 152,135.04 and 68,180.96 is: 102,193.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,501.12 : 152,135.04 = 68,180.96 : x
  2. Step 2: Convert to fraction form
    101,501.12/152,135.04 = 68,180.96/x
  3. Step 3: Cross multiply
    101,501.12x = 152,135.04 × 68,180.96
  4. Step 4: Simplify right side
    101,501.12x = 10,372,713,076.84
  5. Step 5: Solve for x
    x = 10,372,713,076.84/101,501.12
  6. Step 6: Final answer
    x = 102,193.09

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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.