Home / 151,835.20-227,817.60-72,908.80

Finding the Fourth Proportional to 151,835.20, 227,817.60 and 72,908.80

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Solution

The fourth proportional to 151,835.20, 227,817.60 and 72,908.80 is: 109,394.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,835.20 : 227,817.60 = 72,908.80 : x
  2. Step 2: Convert to fraction form
    151,835.20/227,817.60 = 72,908.80/x
  3. Step 3: Cross multiply
    151,835.20x = 227,817.60 × 72,908.80
  4. Step 4: Simplify right side
    151,835.20x = 16,609,907,834.88
  5. Step 5: Solve for x
    x = 16,609,907,834.88/151,835.20
  6. Step 6: Final answer
    x = 109,394.32

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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.