Home / 154,064.40-231,096.60-140,286.30

Finding the Fourth Proportional to 154,064.40, 231,096.60 and 140,286.30

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Solution

The fourth proportional to 154,064.40, 231,096.60 and 140,286.30 is: 210,429.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,064.40 : 231,096.60 = 140,286.30 : x
  2. Step 2: Convert to fraction form
    154,064.40/231,096.60 = 140,286.30/x
  3. Step 3: Cross multiply
    154,064.40x = 231,096.60 × 140,286.30
  4. Step 4: Simplify right side
    154,064.40x = 32,419,686,956.58
  5. Step 5: Solve for x
    x = 32,419,686,956.58/154,064.40
  6. Step 6: Final answer
    x = 210,429.45

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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.