Home / 161,520.75-242,290.85-50,712.75

Finding the Fourth Proportional to 161,520.75, 242,290.85 and 50,712.75

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Solution

The fourth proportional to 161,520.75, 242,290.85 and 50,712.75 is: 76,072.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,520.75 : 242,290.85 = 50,712.75 : x
  2. Step 2: Convert to fraction form
    161,520.75/242,290.85 = 50,712.75/x
  3. Step 3: Cross multiply
    161,520.75x = 242,290.85 × 50,712.75
  4. Step 4: Simplify right side
    161,520.75x = 12,287,235,049.77
  5. Step 5: Solve for x
    x = 12,287,235,049.77/161,520.75
  6. Step 6: Final answer
    x = 76,072.18

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1.5x scale

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.