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Finding the Fourth Proportional to 101,375.80, 152,150.10 and 45,302.20

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Solution

The fourth proportional to 101,375.80, 152,150.10 and 45,302.20 is: 67,991.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,375.80 : 152,150.10 = 45,302.20 : x
  2. Step 2: Convert to fraction form
    101,375.80/152,150.10 = 45,302.20/x
  3. Step 3: Cross multiply
    101,375.80x = 152,150.10 × 45,302.20
  4. Step 4: Simplify right side
    101,375.80x = 6,892,734,260.22
  5. Step 5: Solve for x
    x = 6,892,734,260.22/101,375.80
  6. Step 6: Final answer
    x = 67,991.91

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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.