Home / 165,942.30-248,949.90-53,603.40

Finding the Fourth Proportional to 165,942.30, 248,949.90 and 53,603.40

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Solution

The fourth proportional to 165,942.30, 248,949.90 and 53,603.40 is: 80,416.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,942.30 : 248,949.90 = 53,603.40 : x
  2. Step 2: Convert to fraction form
    165,942.30/248,949.90 = 53,603.40/x
  3. Step 3: Cross multiply
    165,942.30x = 248,949.90 × 53,603.40
  4. Step 4: Simplify right side
    165,942.30x = 13,344,561,069.66
  5. Step 5: Solve for x
    x = 13,344,561,069.66/165,942.30
  6. Step 6: Final answer
    x = 80,416.87

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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.