Home / 152,078.20-227,930.46-85,378.48

Finding the Fourth Proportional to 152,078.20, 227,930.46 and 85,378.48

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Solution

The fourth proportional to 152,078.20, 227,930.46 and 85,378.48 is: 127,962.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,078.20 : 227,930.46 = 85,378.48 : x
  2. Step 2: Convert to fraction form
    152,078.20/227,930.46 = 85,378.48/x
  3. Step 3: Cross multiply
    152,078.20x = 227,930.46 × 85,378.48
  4. Step 4: Simplify right side
    152,078.20x = 19,460,356,220.50
  5. Step 5: Solve for x
    x = 19,460,356,220.50/152,078.20
  6. Step 6: Final answer
    x = 127,962.83

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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.