Home / 134,277.20-201,571.40-72,069.20

Finding the Fourth Proportional to 134,277.20, 201,571.40 and 72,069.20

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Solution

The fourth proportional to 134,277.20, 201,571.40 and 72,069.20 is: 108,187.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,277.20 : 201,571.40 = 72,069.20 : x
  2. Step 2: Convert to fraction form
    134,277.20/201,571.40 = 72,069.20/x
  3. Step 3: Cross multiply
    134,277.20x = 201,571.40 × 72,069.20
  4. Step 4: Simplify right side
    134,277.20x = 14,527,089,540.88
  5. Step 5: Solve for x
    x = 14,527,089,540.88/134,277.20
  6. Step 6: Final answer
    x = 108,187.31

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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.