Home / 71,406.20-107,173.52-38,154.68

Finding the Fourth Proportional to 71,406.20, 107,173.52 and 38,154.68

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Solution

The fourth proportional to 71,406.20, 107,173.52 and 38,154.68 is: 57,266.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,406.20 : 107,173.52 = 38,154.68 : x
  2. Step 2: Convert to fraction form
    71,406.20/107,173.52 = 38,154.68/x
  3. Step 3: Cross multiply
    71,406.20x = 107,173.52 × 38,154.68
  4. Step 4: Simplify right side
    71,406.20x = 4,089,171,360.07
  5. Step 5: Solve for x
    x = 4,089,171,360.07/71,406.20
  6. Step 6: Final answer
    x = 57,266.33

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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.