Home / 151,805.20-227,772.60-72,878.80

Finding the Fourth Proportional to 151,805.20, 227,772.60 and 72,878.80

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Solution

The fourth proportional to 151,805.20, 227,772.60 and 72,878.80 is: 109,349.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,805.20 : 227,772.60 = 72,878.80 : x
  2. Step 2: Convert to fraction form
    151,805.20/227,772.60 = 72,878.80/x
  3. Step 3: Cross multiply
    151,805.20x = 227,772.60 × 72,878.80
  4. Step 4: Simplify right side
    151,805.20x = 16,599,793,760.88
  5. Step 5: Solve for x
    x = 16,599,793,760.88/151,805.20
  6. Step 6: Final answer
    x = 109,349.31

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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.