Home / 150,415.20-225,549.90-83,784.60

Finding the Fourth Proportional to 150,415.20, 225,549.90 and 83,784.60

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Solution

The fourth proportional to 150,415.20, 225,549.90 and 83,784.60 is: 125,636.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,415.20 : 225,549.90 = 83,784.60 : x
  2. Step 2: Convert to fraction form
    150,415.20/225,549.90 = 83,784.60/x
  3. Step 3: Cross multiply
    150,415.20x = 225,549.90 × 83,784.60
  4. Step 4: Simplify right side
    150,415.20x = 18,897,608,151.54
  5. Step 5: Solve for x
    x = 18,897,608,151.54/150,415.20
  6. Step 6: Final answer
    x = 125,636.29

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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.