Home / 154,419.20-231,628.80-151,794.80

Finding the Fourth Proportional to 154,419.20, 231,628.80 and 151,794.80

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Solution

The fourth proportional to 154,419.20, 231,628.80 and 151,794.80 is: 227,692.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,419.20 : 231,628.80 = 151,794.80 : x
  2. Step 2: Convert to fraction form
    154,419.20/231,628.80 = 151,794.80/x
  3. Step 3: Cross multiply
    154,419.20x = 231,628.80 × 151,794.80
  4. Step 4: Simplify right side
    154,419.20x = 35,160,047,370.24
  5. Step 5: Solve for x
    x = 35,160,047,370.24/154,419.20
  6. Step 6: Final answer
    x = 227,692.20

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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.