Home / 132,990.24-199,459.20-39,475.20

Finding the Fourth Proportional to 132,990.24, 199,459.20 and 39,475.20

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Solution

The fourth proportional to 132,990.24, 199,459.20 and 39,475.20 is: 59,205.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,990.24 : 199,459.20 = 39,475.20 : x
  2. Step 2: Convert to fraction form
    132,990.24/199,459.20 = 39,475.20/x
  3. Step 3: Cross multiply
    132,990.24x = 199,459.20 × 39,475.20
  4. Step 4: Simplify right side
    132,990.24x = 7,873,691,811.84
  5. Step 5: Solve for x
    x = 7,873,691,811.84/132,990.24
  6. Step 6: Final answer
    x = 59,205.03

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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.