Home / 97,327.28-145,990.92-38,190.80

Finding the Fourth Proportional to 97,327.28, 145,990.92 and 38,190.80

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Solution

The fourth proportional to 97,327.28, 145,990.92 and 38,190.80 is: 57,286.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,327.28 : 145,990.92 = 38,190.80 : x
  2. Step 2: Convert to fraction form
    97,327.28/145,990.92 = 38,190.80/x
  3. Step 3: Cross multiply
    97,327.28x = 145,990.92 × 38,190.80
  4. Step 4: Simplify right side
    97,327.28x = 5,575,510,027.54
  5. Step 5: Solve for x
    x = 5,575,510,027.54/97,327.28
  6. Step 6: Final answer
    x = 57,286.20

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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.