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Finding the Fourth Proportional to 101,270.20, 151,905.30 and 95,438.20

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Solution

The fourth proportional to 101,270.20, 151,905.30 and 95,438.20 is: 143,157.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,270.20 : 151,905.30 = 95,438.20 : x
  2. Step 2: Convert to fraction form
    101,270.20/151,905.30 = 95,438.20/x
  3. Step 3: Cross multiply
    101,270.20x = 151,905.30 × 95,438.20
  4. Step 4: Simplify right side
    101,270.20x = 14,497,568,402.46
  5. Step 5: Solve for x
    x = 14,497,568,402.46/101,270.20
  6. Step 6: Final answer
    x = 143,157.30

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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.