Home / 243,443.30-365,302.47-131,121.14

Finding the Fourth Proportional to 243,443.30, 365,302.47 and 131,121.14

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Solution

The fourth proportional to 243,443.30, 365,302.47 and 131,121.14 is: 196,755.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,443.30 : 365,302.47 = 131,121.14 : x
  2. Step 2: Convert to fraction form
    243,443.30/365,302.47 = 131,121.14/x
  3. Step 3: Cross multiply
    243,443.30x = 365,302.47 × 131,121.14
  4. Step 4: Simplify right side
    243,443.30x = 47,898,876,311.22
  5. Step 5: Solve for x
    x = 47,898,876,311.22/243,443.30
  6. Step 6: Final answer
    x = 196,755.78

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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.