Home / 195,139.64-292,704.86-89,958.60

Finding the Fourth Proportional to 195,139.64, 292,704.86 and 89,958.60

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Solution

The fourth proportional to 195,139.64, 292,704.86 and 89,958.60 is: 134,935.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,139.64 : 292,704.86 = 89,958.60 : x
  2. Step 2: Convert to fraction form
    195,139.64/292,704.86 = 89,958.60/x
  3. Step 3: Cross multiply
    195,139.64x = 292,704.86 × 89,958.60
  4. Step 4: Simplify right side
    195,139.64x = 26,331,319,418.80
  5. Step 5: Solve for x
    x = 26,331,319,418.80/195,139.64
  6. Step 6: Final answer
    x = 134,935.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.