Home / 199,712.89-275,605.67-113,667.66

Finding the Fourth Proportional to 199,712.89, 275,605.67 and 113,667.66

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Solution

The fourth proportional to 199,712.89, 275,605.67 and 113,667.66 is: 156,862.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,712.89 : 275,605.67 = 113,667.66 : x
  2. Step 2: Convert to fraction form
    199,712.89/275,605.67 = 113,667.66/x
  3. Step 3: Cross multiply
    199,712.89x = 275,605.67 × 113,667.66
  4. Step 4: Simplify right side
    199,712.89x = 31,327,451,591.63
  5. Step 5: Solve for x
    x = 31,327,451,591.63/199,712.89
  6. Step 6: Final answer
    x = 156,862.44

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1.5x scale

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.