Home / 132,883.04-199,403.12-53,991.20

Finding the Fourth Proportional to 132,883.04, 199,403.12 and 53,991.20

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Solution

The fourth proportional to 132,883.04, 199,403.12 and 53,991.20 is: 81,018.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,883.04 : 199,403.12 = 53,991.20 : x
  2. Step 2: Convert to fraction form
    132,883.04/199,403.12 = 53,991.20/x
  3. Step 3: Cross multiply
    132,883.04x = 199,403.12 × 53,991.20
  4. Step 4: Simplify right side
    132,883.04x = 10,766,013,732.54
  5. Step 5: Solve for x
    x = 10,766,013,732.54/132,883.04
  6. Step 6: Final answer
    x = 81,018.72

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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.