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Finding the Fourth Proportional to 101,408.60, 151,964.98 and 57,047.80

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Solution

The fourth proportional to 101,408.60, 151,964.98 and 57,047.80 is: 85,488.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,408.60 : 151,964.98 = 57,047.80 : x
  2. Step 2: Convert to fraction form
    101,408.60/151,964.98 = 57,047.80/x
  3. Step 3: Cross multiply
    101,408.60x = 151,964.98 × 57,047.80
  4. Step 4: Simplify right side
    101,408.60x = 8,669,267,786.04
  5. Step 5: Solve for x
    x = 8,669,267,786.04/101,408.60
  6. Step 6: Final answer
    x = 85,488.49

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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.