Home / 140,779.08-194,236.43-80,327.97

Finding the Fourth Proportional to 140,779.08, 194,236.43 and 80,327.97

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Solution

The fourth proportional to 140,779.08, 194,236.43 and 80,327.97 is: 110,830.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,779.08 : 194,236.43 = 80,327.97 : x
  2. Step 2: Convert to fraction form
    140,779.08/194,236.43 = 80,327.97/x
  3. Step 3: Cross multiply
    140,779.08x = 194,236.43 × 80,327.97
  4. Step 4: Simplify right side
    140,779.08x = 15,602,617,720.31
  5. Step 5: Solve for x
    x = 15,602,617,720.31/140,779.08
  6. Step 6: Final answer
    x = 110,830.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.