Home / 240,185.27-331,456.98-131,289.76

Finding the Fourth Proportional to 240,185.27, 331,456.98 and 131,289.76

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Solution

The fourth proportional to 240,185.27, 331,456.98 and 131,289.76 is: 181,180.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,185.27 : 331,456.98 = 131,289.76 : x
  2. Step 2: Convert to fraction form
    240,185.27/331,456.98 = 131,289.76/x
  3. Step 3: Cross multiply
    240,185.27x = 331,456.98 × 131,289.76
  4. Step 4: Simplify right side
    240,185.27x = 43,516,905,040.79
  5. Step 5: Solve for x
    x = 43,516,905,040.79/240,185.27
  6. Step 6: Final answer
    x = 181,180.57

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1.5x scale

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.