Home / 161,337.84-242,039.43-67,843.50

Finding the Fourth Proportional to 161,337.84, 242,039.43 and 67,843.50

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Solution

The fourth proportional to 161,337.84, 242,039.43 and 67,843.50 is: 101,778.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,337.84 : 242,039.43 = 67,843.50 : x
  2. Step 2: Convert to fraction form
    161,337.84/242,039.43 = 67,843.50/x
  3. Step 3: Cross multiply
    161,337.84x = 242,039.43 × 67,843.50
  4. Step 4: Simplify right side
    161,337.84x = 16,420,802,069.21
  5. Step 5: Solve for x
    x = 16,420,802,069.21/161,337.84
  6. Step 6: Final answer
    x = 101,778.99

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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.