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Finding the Fourth Proportional to 150,001.80, 225,261.90 and 80,017.80

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Solution

The fourth proportional to 150,001.80, 225,261.90 and 80,017.80 is: 120,164.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,001.80 : 225,261.90 = 80,017.80 : x
  2. Step 2: Convert to fraction form
    150,001.80/225,261.90 = 80,017.80/x
  3. Step 3: Cross multiply
    150,001.80x = 225,261.90 × 80,017.80
  4. Step 4: Simplify right side
    150,001.80x = 18,024,961,661.82
  5. Step 5: Solve for x
    x = 18,024,961,661.82/150,001.80
  6. Step 6: Final answer
    x = 120,164.97

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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.