Home / 193,611.12-267,179.85-107,570.49

Finding the Fourth Proportional to 193,611.12, 267,179.85 and 107,570.49

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Solution

The fourth proportional to 193,611.12, 267,179.85 and 107,570.49 is: 148,445.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,611.12 : 267,179.85 = 107,570.49 : x
  2. Step 2: Convert to fraction form
    193,611.12/267,179.85 = 107,570.49/x
  3. Step 3: Cross multiply
    193,611.12x = 267,179.85 × 107,570.49
  4. Step 4: Simplify right side
    193,611.12x = 28,740,667,382.63
  5. Step 5: Solve for x
    x = 28,740,667,382.63/193,611.12
  6. Step 6: Final answer
    x = 148,445.33

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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.