Home / 161,520.60-242,313.30-49,207.80

Finding the Fourth Proportional to 161,520.60, 242,313.30 and 49,207.80

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Solution

The fourth proportional to 161,520.60, 242,313.30 and 49,207.80 is: 73,821.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,520.60 : 242,313.30 = 49,207.80 : x
  2. Step 2: Convert to fraction form
    161,520.60/242,313.30 = 49,207.80/x
  3. Step 3: Cross multiply
    161,520.60x = 242,313.30 × 49,207.80
  4. Step 4: Simplify right side
    161,520.60x = 11,923,704,403.74
  5. Step 5: Solve for x
    x = 11,923,704,403.74/161,520.60
  6. Step 6: Final answer
    x = 73,821.57

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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.