Home / 161,821.05-242,692.68-82,894.65

Finding the Fourth Proportional to 161,821.05, 242,692.68 and 82,894.65

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Solution

The fourth proportional to 161,821.05, 242,692.68 and 82,894.65 is: 124,322.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,821.05 : 242,692.68 = 82,894.65 : x
  2. Step 2: Convert to fraction form
    161,821.05/242,692.68 = 82,894.65/x
  3. Step 3: Cross multiply
    161,821.05x = 242,692.68 × 82,894.65
  4. Step 4: Simplify right side
    161,821.05x = 20,117,924,766.16
  5. Step 5: Solve for x
    x = 20,117,924,766.16/161,821.05
  6. Step 6: Final answer
    x = 124,322.05

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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.