Home / 226,601.21-312,685.14-131,090.06

Finding the Fourth Proportional to 226,601.21, 312,685.14 and 131,090.06

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Solution

The fourth proportional to 226,601.21, 312,685.14 and 131,090.06 is: 180,890.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,601.21 : 312,685.14 = 131,090.06 : x
  2. Step 2: Convert to fraction form
    226,601.21/312,685.14 = 131,090.06/x
  3. Step 3: Cross multiply
    226,601.21x = 312,685.14 × 131,090.06
  4. Step 4: Simplify right side
    226,601.21x = 40,989,915,037.01
  5. Step 5: Solve for x
    x = 40,989,915,037.01/226,601.21
  6. Step 6: Final answer
    x = 180,890.10

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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.