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Finding the Fourth Proportional to 101,285.20, 151,927.80 and 73,291.60

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Solution

The fourth proportional to 101,285.20, 151,927.80 and 73,291.60 is: 109,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,285.20 : 151,927.80 = 73,291.60 : x
  2. Step 2: Convert to fraction form
    101,285.20/151,927.80 = 73,291.60/x
  3. Step 3: Cross multiply
    101,285.20x = 151,927.80 × 73,291.60
  4. Step 4: Simplify right side
    101,285.20x = 11,135,031,546.48
  5. Step 5: Solve for x
    x = 11,135,031,546.48/101,285.20
  6. Step 6: Final answer
    x = 109,937.40

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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.