Home / 138,416.20-207,624.30-131,504.20

Finding the Fourth Proportional to 138,416.20, 207,624.30 and 131,504.20

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Solution

The fourth proportional to 138,416.20, 207,624.30 and 131,504.20 is: 197,256.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,416.20 : 207,624.30 = 131,504.20 : x
  2. Step 2: Convert to fraction form
    138,416.20/207,624.30 = 131,504.20/x
  3. Step 3: Cross multiply
    138,416.20x = 207,624.30 × 131,504.20
  4. Step 4: Simplify right side
    138,416.20x = 27,303,467,472.06
  5. Step 5: Solve for x
    x = 27,303,467,472.06/138,416.20
  6. Step 6: Final answer
    x = 197,256.30

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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.