Home / 152,010.20-227,359.20-128,390.60

Finding the Fourth Proportional to 152,010.20, 227,359.20 and 128,390.60

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Solution

The fourth proportional to 152,010.20, 227,359.20 and 128,390.60 is: 192,031.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,010.20 : 227,359.20 = 128,390.60 : x
  2. Step 2: Convert to fraction form
    152,010.20/227,359.20 = 128,390.60/x
  3. Step 3: Cross multiply
    152,010.20x = 227,359.20 × 128,390.60
  4. Step 4: Simplify right side
    152,010.20x = 29,190,784,103.52
  5. Step 5: Solve for x
    x = 29,190,784,103.52/152,010.20
  6. Step 6: Final answer
    x = 192,031.75

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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.