Home / 151,511.20-227,266.80-67,238.80

Finding the Fourth Proportional to 151,511.20, 227,266.80 and 67,238.80

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Solution

The fourth proportional to 151,511.20, 227,266.80 and 67,238.80 is: 100,858.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,511.20 : 227,266.80 = 67,238.80 : x
  2. Step 2: Convert to fraction form
    151,511.20/227,266.80 = 67,238.80/x
  3. Step 3: Cross multiply
    151,511.20x = 227,266.80 × 67,238.80
  4. Step 4: Simplify right side
    151,511.20x = 15,281,146,911.84
  5. Step 5: Solve for x
    x = 15,281,146,911.84/151,511.20
  6. Step 6: Final answer
    x = 100,858.20

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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.