Home / 226,046.68-311,912.58-135,381.40

Finding the Fourth Proportional to 226,046.68, 311,912.58 and 135,381.40

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Solution

The fourth proportional to 226,046.68, 311,912.58 and 135,381.40 is: 186,807.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,046.68 : 311,912.58 = 135,381.40 : x
  2. Step 2: Convert to fraction form
    226,046.68/311,912.58 = 135,381.40/x
  3. Step 3: Cross multiply
    226,046.68x = 311,912.58 × 135,381.40
  4. Step 4: Simplify right side
    226,046.68x = 42,227,161,758.01
  5. Step 5: Solve for x
    x = 42,227,161,758.01/226,046.68
  6. Step 6: Final answer
    x = 186,807.26

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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.