Home / 151,834.20-227,816.10-72,907.80

Finding the Fourth Proportional to 151,834.20, 227,816.10 and 72,907.80

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Solution

The fourth proportional to 151,834.20, 227,816.10 and 72,907.80 is: 109,392.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,834.20 : 227,816.10 = 72,907.80 : x
  2. Step 2: Convert to fraction form
    151,834.20/227,816.10 = 72,907.80/x
  3. Step 3: Cross multiply
    151,834.20x = 227,816.10 × 72,907.80
  4. Step 4: Simplify right side
    151,834.20x = 16,609,570,655.58
  5. Step 5: Solve for x
    x = 16,609,570,655.58/151,834.20
  6. Step 6: Final answer
    x = 109,392.82

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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.