Home / 199,779.94-275,684.13-109,117.54

Finding the Fourth Proportional to 199,779.94, 275,684.13 and 109,117.54

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Solution

The fourth proportional to 199,779.94, 275,684.13 and 109,117.54 is: 150,575.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,779.94 : 275,684.13 = 109,117.54 : x
  2. Step 2: Convert to fraction form
    199,779.94/275,684.13 = 109,117.54/x
  3. Step 3: Cross multiply
    199,779.94x = 275,684.13 × 109,117.54
  4. Step 4: Simplify right side
    199,779.94x = 30,081,974,082.64
  5. Step 5: Solve for x
    x = 30,081,974,082.64/199,779.94
  6. Step 6: Final answer
    x = 150,575.55

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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.