Home / 72,199.20-108,313.36-25,484.88

Finding the Fourth Proportional to 72,199.20, 108,313.36 and 25,484.88

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Solution

The fourth proportional to 72,199.20, 108,313.36 and 25,484.88 is: 38,232.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,199.20 : 108,313.36 = 25,484.88 : x
  2. Step 2: Convert to fraction form
    72,199.20/108,313.36 = 25,484.88/x
  3. Step 3: Cross multiply
    72,199.20x = 108,313.36 × 25,484.88
  4. Step 4: Simplify right side
    72,199.20x = 2,760,352,982.00
  5. Step 5: Solve for x
    x = 2,760,352,982.00/72,199.20
  6. Step 6: Final answer
    x = 38,232.46

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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.