Home / 165,540.90-248,311.35-40,881.90

Finding the Fourth Proportional to 165,540.90, 248,311.35 and 40,881.90

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Solution

The fourth proportional to 165,540.90, 248,311.35 and 40,881.90 is: 61,322.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,540.90 : 248,311.35 = 40,881.90 : x
  2. Step 2: Convert to fraction form
    165,540.90/248,311.35 = 40,881.90/x
  3. Step 3: Cross multiply
    165,540.90x = 248,311.35 × 40,881.90
  4. Step 4: Simplify right side
    165,540.90x = 10,151,439,779.57
  5. Step 5: Solve for x
    x = 10,151,439,779.57/165,540.90
  6. Step 6: Final answer
    x = 61,322.85

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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.