Home / 237,581.09-327,861.90-142,087.78

Finding the Fourth Proportional to 237,581.09, 327,861.90 and 142,087.78

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Solution

The fourth proportional to 237,581.09, 327,861.90 and 142,087.78 is: 196,081.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,581.09 : 327,861.90 = 142,087.78 : x
  2. Step 2: Convert to fraction form
    237,581.09/327,861.90 = 142,087.78/x
  3. Step 3: Cross multiply
    237,581.09x = 327,861.90 × 142,087.78
  4. Step 4: Simplify right side
    237,581.09x = 46,585,169,927.41
  5. Step 5: Solve for x
    x = 46,585,169,927.41/237,581.09
  6. Step 6: Final answer
    x = 196,081.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.