Home / 161,922.10-242,591.55-99,519.70

Finding the Fourth Proportional to 161,922.10, 242,591.55 and 99,519.70

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Solution

The fourth proportional to 161,922.10, 242,591.55 and 99,519.70 is: 149,100.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,922.10 : 242,591.55 = 99,519.70 : x
  2. Step 2: Convert to fraction form
    161,922.10/242,591.55 = 99,519.70/x
  3. Step 3: Cross multiply
    161,922.10x = 242,591.55 × 99,519.70
  4. Step 4: Simplify right side
    161,922.10x = 24,142,638,278.54
  5. Step 5: Solve for x
    x = 24,142,638,278.54/161,922.10
  6. Step 6: Final answer
    x = 149,100.33

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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.