Home / 199,396.72-275,224.40-113,402.08

Finding the Fourth Proportional to 199,396.72, 275,224.40 and 113,402.08

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Solution

The fourth proportional to 199,396.72, 275,224.40 and 113,402.08 is: 156,527.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,396.72 : 275,224.40 = 113,402.08 : x
  2. Step 2: Convert to fraction form
    199,396.72/275,224.40 = 113,402.08/x
  3. Step 3: Cross multiply
    199,396.72x = 275,224.40 × 113,402.08
  4. Step 4: Simplify right side
    199,396.72x = 31,211,019,426.75
  5. Step 5: Solve for x
    x = 31,211,019,426.75/199,396.72
  6. Step 6: Final answer
    x = 156,527.25

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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.