Home / 151,839.20-227,823.60-72,912.80

Finding the Fourth Proportional to 151,839.20, 227,823.60 and 72,912.80

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Solution

The fourth proportional to 151,839.20, 227,823.60 and 72,912.80 is: 109,400.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,839.20 : 227,823.60 = 72,912.80 : x
  2. Step 2: Convert to fraction form
    151,839.20/227,823.60 = 72,912.80/x
  3. Step 3: Cross multiply
    151,839.20x = 227,823.60 × 72,912.80
  4. Step 4: Simplify right side
    151,839.20x = 16,611,256,582.08
  5. Step 5: Solve for x
    x = 16,611,256,582.08/151,839.20
  6. Step 6: Final answer
    x = 109,400.32

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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.